secondary 1 vocabulary cards and word walls 1 vocabulary cards and word walls revised: ... triangle,...
TRANSCRIPT
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Secondary 1 Vocabulary Cards and Word Walls
Revised: March 16, 2012
Important Notes for Teachers:
The vocabulary cards in this file match the Common Core, the math curriculum adopted by the Utah State Board of Education, August 2010.
The cards are arranged alphabetically. Each card has three sections.
o Section 1 is only the word. This is to be used as a visual aid in spelling and pronunciation. It is also used when students are writing their own “kid-friendly” definition and drawing their own graphic.
o Section 2 has the word and a graphic. This graphic is available to be used as a model by the teacher.
o Section 3 has the word, a graphic, and a definition. This is to be used for the Word Wall in the classroom. For more information on using a Word Wall for Daily Review – see “Vocabulary – Word Wall Ideas” on this website.
These cards are designed to help all students with math content vocabulary, including ELL, Gifted and Talented, Special Education, and Regular Education students.
For possible additions or corrections to the vocabulary cards, please contact the Granite School District Math Department at 385-646-4239. Bibliography of Definition Sources:
Algebra1 Common Core, Pearson, 2012, ISBN -13: 978-0-133-18549-2 Geometry Common Core, Pearson, 2012, ISBN -13: 978-0-133-18583-6 Algebra to Go, Great Source, 2000. ISBN 0-669-46151-8 Math on Call, Great Source, 2004. ISBN-13: 978-0-669-50819-2 Math at Hand, Great Source, 1999. ISBN 0-669-46922 Math to Know, Great Source, 2000. ISBN 0-669-47153-4 Illustrated Dictionary of Math, Usborne Publishing Ltd., 2003. ISBN 0-7945-0662-3 Math Dictionary, Eula Ewing Monroe, Boyds Mills Press, 2006. ISBN-13: 978-1-59078-413-6 Student Reference Books, Everyday Mathematics, 2007. Houghton-Mifflin eGlossary, http://www.eduplace.com Interactive Math Dictionary, http://www.amathsdictionaryforkids.com/
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absolute value equation
absolute value equation
| 3 - 7 |= 23x
absolute value
equation | 3 - 7 |= 23x
An equation with a variable within an
absolute value symbol.
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absolute value inequality
absolute value inequality 18 < | -2 + 6 |x
absolute value
inequality 18 < | -2 + 6 |x
An inequality that has a variable within an
absolute value symbol.
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angle
angle
angle
The union of two rays that have the same
endpoint.
A
B C
θ
A
B C
θ
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area
area 2 rows of 5 = 10 square units
or 2 ● 5 = 10 square units
area 2 rows of 5 = 10 square units
or 2 ● 5 = 10 square units
The measure, in square units, of the
interior region of a 2-dimensional figure or
the surface of a 3-dimensional figure.
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arithmetic sequence
arithmetic sequence
an = a1 + (n – 1)d
The first term is a1, the common difference is d, and the number of terms is n.
Example: 3, 7, 11, 15, 19
a1 = 3, d = 4, n = 5
The explicit formula is an = 3 + (n – 1)·4 = 4n – 1
arithmetic sequence
an = a1 + (n – 1)d
The first term is a1, the common difference is d, and the number of
terms is n.
Example: 3, 7, 11, 15, 19 a1 = 3, d = 4, n = 5
The explicit formula is an = 3 + (n – 1)·4 = 4n – 1
A sequence such as 1, 5, 9, 13, 17, 21 or 12, 7, 2, -3, -8, -13
which has a constant difference between terms.
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ASA
ASA
ASA
ASA (Angle-Side-Angle)
If two angles and the included side of one triangle
are congruent to the corresponding angles and included side of another
triangle, then the triangles are congruent.
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association
association
association
Any relationship between two measured quantities that renders them statistically
dependent. The term “association” refers broadly
to any such relationship, whereas the “correlation”
refers to a linear relationship between two quantities.
The more food you eat, the more calories you ingest.
The more food you eat, the more calories you ingest.
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asymptote
asymptote
asymptote
A line that the graph of a function gets closer to as
x or y gets larger in absolute value.
x
y
horizontal asymptote
vertical asymptote
x
y
horizontal asymptote
vertical asymptote
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average rate of change
average rate of change
average rate of change
The average rate of change of a function
between any two points is the slope of the line connecting those two points.
average rate of change
140 20 12060
4 2 2mph
average rate of change
140 20 12060
4 2 2mph
2 4 6 8 10
40
80
120
160
200
0 hours
miles
2 4 6 8 10
40
80
120
160
200
0 hours
miles
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bisect
bisect
bisect
Divide into two equal parts.
P Q J
P QJ
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bivariate data
bivariate data
Height (inches)
Weight (pounds)
67 155
72 220
77 240
74 195
69 175
bivariate data
Height (inches)
Weight (pounds)
67 155
72 220
77 240
74 195
69 175
A set of data that show the relationship
between two variables.
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boundary line
boundary line
boundary line
The line that divides a plane into two half-planes, e.g.,
when graphing the inequality 2 4y x£ + the
boundary line is the graph 2 4y x= + . The
boundary line may or may not be part of the solution to
an inequality.
boundary line
boundary line
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box plot
box plot
box plot
A diagram that shows the five number summary of a
distribution. (Five number summary includes
lowest value, lower quartile, median, upper
quartile, and highest value.)
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categorical (qualitative) data
categorical (qualitative)
data
categorical (qualitative)
data
Data where the values of the variables are merely the
names of discrete, independent categories.
The categories can be given numerical codes, but they cannot be ranked, added, multiplied or measured
against each other.
Favorite Primary Color
Num
ber o
f Peo
ple
Blue Red Yellow
14
12
10
8
6
4
2
Favorite Primary Color
Num
ber o
f Peo
ple
Blue Red Yellow
14
12
10
8
6
4
2
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causation
causationUlcers are caused by stress and spicy food.
There is a correlation between the independent variables (stress/spicy food) and the dependent variable (ulcers) but the independent variables were NOT the cause. We know that ulcers are
caused by a corkscrew-shaped bacterium Helicobacterpylor (H.pylori).
causation Ulcers are caused by stress and spicy food.
There is a correlation between the independent variables (stress/spicy food) and the dependent variable (ulcers) but the independent variables were NOT the cause. We know that ulcers are
caused by a corkscrew-shaped bacterium Helicobacterpylor (H.pylori).
The relationship between cause and effect. This occurs only
when the relationship between the two variables can be proven through a scientific experiment
following strict guidelines. Only in this way can we rule
out other factors that may affect the relationship that we see in
the observed values.
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center
center
center
An average; a single value that is used to
represent a collection of data. Three commonly used types of averages are mode, median, and
mean. (Also called measures of central
tendency or measures of average.)
Examples: Mode = 1 Median = 2 Mean = 2.3
Number of Pets
x x x x x x x x
x x x x x
x x x
x x x
x
Examples: Mode = 1 Median = 2 Mean = 2.3
Number of Pets
x x x x x x x x
x x x x x
x x x
x x x
x
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circle
circle
circle
A plane figure with all points the same distance from a fixed point called
a center.
P
P
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circular arc
circular arc
circular arc
A segment of the circumference of a
circle.
A
B
A
B
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cluster
cluster
cluster
A group of the same or similar elements
gathered or occurring closely together on a graph.
cluster
cluster
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coefficient
coefficient
5x
coefficient
5x A numerical factor in a
term of an algebraic expression.
coefficient
coefficient
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composition of functions
composition of functions
composition of functions
The output from the first function becomes the input for the second
function. Usually written as f(g(x)) or (f ○ g)(x).
Domain of f Range of f
Domain of g Range of g
Input of f x
Input of g f(x)
Output of f f(x)
Output of g
g(f(x))
Domain of f Range of f
Domain of g Range of g
Input of f x
Input of g f(x)
Output of f f(x)
Output of g
g(f(x))
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compound inequality
compound inequality
1 and 3
1 or 3
x xx x
compound inequality
1 and 3
1 or 3
x xx x
A mathematical sentence with two inequality statements joined by
“and” or “or”.
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conditional relative frequency conditional
relative frequency
Dance Sports Movies TOTAL
Women 0.32 0.12 0.16 0.60
Men 0.04 0.20 0.16 0.40
TOTAL 0.36 0.32 0.32 1.00
conditional relative
frequency
Dance Sports Movies TOTAL
Women 0.32 0.12 0.16 0.60
Men 0.04 0.20 0.16 0.40
TOTAL 0.36 0.32 0.32 1.00
The relative frequencies in the body of the table are called
conditional frequencies or the conditional
distribution.
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congruent
congruent
congruent
Two figures are congruent if they have
the same shape and size.
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consistent system
consistent system
consistent system
A system that has at least
one solution
-10 -8 -6 -4 -2 2 4 6 8 10
-10
-8
-6
-4
-2
2
4
6
8
10
x
y
-10 -8 -6 -4 -2 2 4 6 8 10
-10
-8
-6
-4
-2
2
4
6
8
10
x
y
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constant percent rate
constant percent rate
constant percent rate
A percentage rate without any variation in the rate of increase or
decrease.
3.94% fixed mortgage rate
3.94% fixed mortgage rate
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constant rate of change
constant rate of change
constant rate
of change
In linear relationships the constant rate of change is illustrated as the slope of
the graph of the equation. This is so because the
change in y divided by the change in x is constant for any two points on the line.
2 4 6 8 10
2
4
6
8
10
0 x
y
2 4 6 8 10
2
4
6
8
10
0 x
y
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constant term
constant term
5x + 4
constant term
5x + 4 A term whose value
does not change.
constant
constant
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continuous line or curve
continuous line or curve
continuous line or curve
A line or curve that extends without a break
or irregularity. -4 -2 2 4 6 8 10
-4
-2
2
4
6
8
10
x
y
-4 -2 2 4 6 8 10
-4
-2
2
4
6
8
10
x
y
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coordinates
coordinates (3, -5) (x , y)
coordinates (3, -5) (x , y)
An ordered pair of numbers that identify
a point on a coordinate plane.
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correlation coefficient
correlation coefficient
correlation coefficient
A value that shows the strength of the linear
relationship between two variables.
y = 94.171x - 53.429
r2 = 0.8637
r = 0.9293
0
100
200
300
400
500
600
0 1 2 3 4 5 6
Hours
Num
ber
of B
acte
ria
y = 94.171x - 53.429
r2 = 0.8637
r = 0.9293
0
100
200
300
400
500
600
0 1 2 3 4 5 6
Hours
Num
ber
of B
acte
ria
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corresponding side
corresponding side
ABand XY are corresponding sides
corresponding side
ABand XY are corresponding sides
If the relative position of two
sides is the same in two figures, then they are called
corresponding sides.
A C
B
Z X
Y
A C
B
Z X
Y
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dependent system
dependent system
dependent system
A second version of the same equation, whose graphs coincide with
each other.
x
y
3x + y = -4
-6x – 2y = 8
x
y
3x + y = -4
-6x – 2y = 8
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discrete
discrete
discrete
A type of data is discrete if there are only a finite
number of values possible or if there is a
space on the number line between each 2 possible
values.
x
y
x
y
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distance formula
distance formula
2 2
2 1 2 1= - + -d x x y y
distance formula
2 2
2 1 2 1= - + -d x x y yThe formula used to
find the distance between two points
in the xy-plane.
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domain
domain {(2, -3), (4, 6), (3, -1), (7, 6), (6, 3)}
domain: {2, 3, 4, 6, 7}
domain {(2, -3), (4, 6), (3, -1), (7, 6), (6, 3)}
domain: {2, 3, 4, 6, 7}
The set of “input” values for which a function is defined.
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dot plot
dot plot
dot plot
Also known as a line plot. A diagram
showing frequency of data on a number line.
Number of Pets
● ● ● ● ● ● ● ●
● ● ● ● ●
● ● ●
● ● ●
●
Number of Pets
● ● ● ● ● ● ● ●
● ● ● ● ●
● ● ●
● ● ●
●
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elimination
elimination
2 1
3 19
5 0 20
3(4) 19
12 19
7
x yx y
x
yyy
elimination
2 1
3 19
5 0 20
3(4) 19
12 19
7
x yx y
x
yyy
A method for solving a
system of linear equations. You add or
subtract the equations to eliminate a variable.
Add the equations to get x = 4.
Substitute 4 for x in the second equation.
Solve for y.
Add the equations to get x = 4.
Substitute 4 for x in the second equation.
Solve for y.
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end behavior
end behavior
end behavior
The appearance of a graph as it is followed farther and farther in
either direction.
end behavior
end behavior
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equal differences
equal differences
The sequence {3, 5, 7, 9, 11,…} is made by adding 2 each time, therefore it has a
common or equal difference of 2.
equal differences
The sequence {3, 5, 7, 9, 11,…} is made by adding 2 each time, as so has a common or equal difference of 2.
The common difference between each number in an
arithmetic sequence.
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equal factors
equal factors
A population doubles every year, 2n where two is the
factor and n represents time in years.
year population
1
2
2 4
3 8
4 16
5 32
equal factors
A population doubles every year, 2n where two is the factor and n represents time in years.
year population
1
2
2 4
3 8
4 16
5 32
Repeated multiplication by the same number or
factor.
× 2
× 2
× 2
× 2
× 2
× 2
× 2
× 2
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equation
equation 9x – 8 = 22 – x
equation 9x – 8 = 22 – x
A statement that the values of two mathematical
expressions are equal (indicated by the sign =).
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equilateral triangle
equilateraltriangle
equilateral triangle
A triangle whose sides are all the same length.
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even function
even function
even function
A function is even if ( ) ( )f x f x for all x in the domain of the function.
Geometrically, the graph of an even function is symmetric with respect to the y-axis. That means
that the graph of the function remains unchanged after
reflection about the y-axis.
f(x) = 4
f(x) = 4
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exponential equation
exponential equation 5x = 125
exponential equation 5x = 125
An equation in which a variable occurs in the
exponent.
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explicit formula
explicit formula
Let an = 2n + 5 for positive integers n.
If n = 7, then
a7 = 2(7) + 5 = 19.
explicit formula
Let an = 2n + 5 for positive integers n.
If n = 7, then
a7 = 2(7) + 5 = 19.
An explicit formula expresses the nth term of a sequence in terms of n.
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exponential function
exponential function
exponential function
A function that repeatedly multiplies an initial amount by
the same positive number. You can model all exponential functions by using f(x) = abx, where a is a nonzero constant,
b > 0 a b ≠ 1.
5 10
40
80
120
160
200
0 x
y
f(x) = 2x
5 10
40
80
120
160
200
0 x
y
f(x) = 2x
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exponential regression model
exponential regression
model
exponential regression
model
A model that shows the relationship
between two variables by fitting
an exponential function to observed
data.
y = 20.512 (1.923)x
r2 = 0.9989
r = 0.9995
0
100
200
300
400
500
600
0 1 2 3 4 5 6
Hours
Num
ber
of B
acte
ria
y = 20.512 (1.923)x
r2 = 0.9989
r = 0.9995
0
100
200
300
400
500
600
0 1 2 3 4 5 6
Hours
Num
ber
of B
acte
ria
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expression
expression 5x + 3
expression 5x + 3
A variable or combination of
variables, numbers, and symbols that
represents a mathematical relationship.
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extrapolate
extrapolate
extrapolate
To estimate or infer a value or quantity beyond the known range of data.
y = 11.731x + 193.85
0
100
200
300
400
500
600
700
0 5 10 15 20 25 30 35 40
Fat (g)
Cal
orie
s
Using your regression equation, find the total calories based upon 40 grams of fat?
y = 11.731x + 193.85
0
100
200
300
400
500
600
700
0 5 10 15 20 25 30 35 40
Fat (g)
Cal
orie
s
Using your regression equation, find the total calories based upon 40 grams of fat?
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factor
factor
2 • x = 2x
factors
factor
2 • x = 2x
factors
Any of the numbers or symbols in mathematics
that when multiplied together form a product.
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function
function Domain
(x) Range
(y)
-3 -10
-2 -4
-1 -1
0 0
1 5
2 8
3 12
function
Domain (x)
Range (y)
-3 -10
-2 -4
-1 -1
0 0
1 5
2 8
3 12
A relation that assigns exactly one value in the range to each value in
the domain.
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function notation
function notation
f(x) = 3x – 8
function notation
f(x) = 3x – 8
To write a rule in function notation, you use the symbol f(x) in
place of y.
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gap
gap
gap
A place on a graph where no data
values are present.
gap
gap
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geometric sequence
geometric sequence
an = a1 ● rn-1
The first term is a1, the common ratio is r, and the number of terms is n.
Example: 2, 6, 18. 54, 162
a1 = 2, r = 3, n = 5
The explicit formula is an = 2 ● 3n - 1
geometric sequence
an = a1 ● rn-1
The first term is a1, the common ratio is r, and the number of terms is n.
Example: 2, 6, 18. 54, 162
a1 = 2, r = 3, n = 5
The explicit formula is an = 2 ● 3n - 1
A sequence such as 2, 6, 18, 54,
162 or 3, 1,1
3,
1
9,
1
27which has a
constant ratio between terms.
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half-plane
half-plane
half-plane
The portion of a plane lying on one side of
some line in the plane. The graph of a linear inequality is always a
half-plane.
half-plane
half-plane
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histogram
histogram
histogram
A bar graph in which the labels for
the bars are numerical intervals. 2
4
8
6
Ages of People Attending a Movie
age
nu
mb
er o
f p
eop
le
0-5 6-10 11-15 16-20 25-30 20-25
2
4
8
6
Ages of People Attending a Movie
age
nu
mb
er o
f p
eop
le
0-5 6-10 11-15 16-20 25-30 20-25
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horizontal intercept
horizontal intercept
horizontal intercept
Also known as the x-intercept. It can be
found by substituting “0” for the variable y in the
equation y = mx + b.
0 = m • x + b
x
y
(2, 0)
x
y
(2, 0)
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horizontal translation
horizontal translation
f(x) f(x + 2)
horizontal translation
f(x) f(x + 2)
Horizontally translating a graph is equivalent to
shifting the parent function left or right in the direction of the x-axis. A graph is translated k units horizontally by moving
each point on the graph k units horizontally.
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inconsistent system
inconsistent system
inconsistent system
A system that has no
solution.
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increasing exponentially
increasing exponentially
3 1xf x
increasing exponentially
3 1xf x Something is said to
increase exponentially if its rate of change is
expressed using exponents. A graph of
such a rate would appear not as a straight line, but
as a curve that continually becomes steeper or
shallower.
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increasing linearly
increasing linearly
11
2f x x
increasing linearly
11
2f x x
A function is said to increase linearly if its rate of change is constant. That is, the change in y divided
by the change in x is constant for any two points on the function. The graph of such a function would appear as a straight line.
-4 -3 -2 -1 1 2 3 4
-4
-3
-2
-1
1
2
3
4
x
y
-4 -3 -2 -1 1 2 3 4
-4
-3
-2
-1
1
2
3
4
x
y
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independent system
independent system
independent system
A system of linear equations that has a
unique solution.
-10 -8 -6 -4 -2 2 4 6 8 10
-10
-8
-6
-4
-2
2
4
6
8
10
x
y
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inequality
inequality
5x + 6 < 20 – 2x
inequality
5x + 6 < 20 – 2x
A mathematical sentence that
compares two unequal expressions using one of the symbols <, >, ≤,
≥, or ≠.
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infinitely many solutions
infinitely many solution
infinitely many solutions
A system of equations that are dependent and
consistent.
-10 -8 -6 -4 -2 2 4 6 8 10
-10
-8
-6
-4
-2
2
4
6
8
10
x
y
-10 -8 -6 -4 -2 2 4 6 8 10
-10
-8
-6
-4
-2
2
4
6
8
10
x
y
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input
input f(x) = 2(x + 1) – 7
input: x = 3
f(3) = 2(3 + 1) – 7 = 2(4) – 7
= 8 – 7 = 1
input
f(x) = 2(x + 1) – 7
input: x = 3
f(3) = 2(3 + 1) – 7 = 2(4) – 7
= 8 – 7 = 1
A value of the independent variable.
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interpolate
interpolate
interpolate
To estimate or infer a value or quantity that
falls within the range of values plotted on the
scatter plot.
y = 11.731x + 193.85
0
100
200
300
400
500
600
700
0 5 10 15 20 25 30 35 40
Fat (g)
Cal
orie
s
Using your regression equation, find the total calories based upon 26 grams of fat?
y = 11.731x + 193.85
0
100
200
300
400
500
600
700
0 5 10 15 20 25 30 35 40
Fat (g)
Cal
orie
s
Using your regression equation, find the total calories based upon 26 grams of fat?
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interquartile range
interquartile range
interquartile range
The difference between the upper
quartile and the lower quartile.
interquartile range
interquartile range
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intersection
intersection
intersection
A point where two or
more functions intersect.
y = -x + 3
y = 2x
(1, 2)
y = -x + 3
y = 2x
(1, 2)
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interval
interval 0 1x is an interval which
contains 0 and 1, and all numbers between them
(0, 1) is an open interval [0, 1] is a closed interval
interval 0 1x is an interval
which contains 0 and 1, and all numbers between them
(0, 1) is an open interval
[0, 1] is a closed interval
A set of real numbers with the property that any number that lies
between two numbers in the set is also included in
the set.
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interval notation
interval notation
For -2 ≤ x < 8, the interval notation is
[-2, 8).
interval notation
For -2 ≤ x < 8, the interval notation is
[-2, 8).
A notation for describing an interval on a number line. The interval’s endpoints(s) are given, and a parenthesis
or bracket is used to indicate whether each
endpoint is included in the interval.
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joint frequency
joint frequency
Dance Sports Movies TOTAL
Women 16 6 8 30
Men 2 10 8 20
TOTAL 18 16 16 50
joint frequency
Dance Sports Movies TOTAL
Women 16 6 8 30
Men 2 10 8 20
TOTAL 18 16 16 50
Entries in the body of the table are
called joint frequencies.
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laws of exponents
laws of exponents
For all real numbers x and all integers m and n,
m n m nx x x , 0
mm n
n
x x xx
mn nmx x n n nxy x y
laws of exponents
For all real numbers x and all integers m and n,
m n m nx x x , 0m
m nn
x x xx
mn nmx x n n nxy x y
The theorem stating the elementary properties of exponents.
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line
line
line
A line is the straight path connecting two points and extending beyond
the points in both directions.
A B
A B
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line of best fit
line of best fit
line of best fit
A line of best fit (or “trend” line) is a straight line that
best represents the data on a scatter plot. This line may pass through some of the points, none of the points,
or all of the points.
y = 11.731x + 193.85
0
100
200
300
400
500
600
700
0 5 10 15 20 25 30 35 40
Fat (g)
Cal
orie
sy = 11.731x + 193.85
0
100
200
300
400
500
600
700
0 5 10 15 20 25 30 35 40
Fat (g)
Cal
orie
s
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line segment
line segment
line segment
A line segment is a part of a line that is bounded by two end points, and contains every point on the line between its end
points.
C D
C D
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linear equation
linear equation
2(x – 5) = 3x + 4
linear equation
2(x – 5) = 3x + 4
An algebraic equation in which each term is either a constant or the product
of a constant and (the first power of) a single
variable.
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linear function
linear function
linear function
Functions that are a first-degree polynomial of
one variable. The graph of the function is a line.
x
y
x
y
f(x) = 3x – 4
f(x) = 3x – 4
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linear regression model
linear regression
model
linear regression
model
A model that shows the relationship between two
variables by fitting a linear function to
observed data.
5 10 15 20 25 30 35 40
100
200
300
400
500
600
700
0
y = 11.731x + 193.85
Fat (g)
Cal
orie
s
5 10 15 20 25 30 35 40
100
200
300
400
500
600
700
0
y = 11.731x + 193.85
Fat (g)
Cal
orie
s
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