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• Determine wheter each equation has one solution, no solution, or is an identity.
9/21: Warm Up
2y – 4 = 3y - 52y + 4 = 2(y + 2)3y – 5 = y + 2y -9
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9/21 Objective
I will complete my tests and/ or missing
assignments.
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Tuesday 9/22 Warm Up1. Which equation represents the
data in the table?
Paint Cans Remaining per HourA p = 10h – 3B p = 3h – 10C p = 10 – 3hD p = 3 – 10h
Number ofHours Worked, h
Number of PaintCans Remaining, p
0 10
1 7
2 4
3 1
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9/22 Objective
I will be able to represent mathematical relationships
using graphs.
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9/22 AssignmentMatch Graph to Situation:•cut out situations and graphs•match situation to graph•glue onto blank paper•write your own situation for blank graphs
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Wednesday 9/23 Warm Up
The function rule h = 3w + 2 represents the height in centimeters h of a plant after w weeks of growth.
Make a table of ordered pairs to show the height of the plant each week for 5 weeks.
Number of Weeks (w)
Rule:3w+ 2 Height of Plant
1 3(1) + 2 5
2 3( ) + 2
3 3( ) + 2
4 3( ) + 2
5 3( ) + 2
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9/23 Objective
I will be able to identify and represent patterns that
describe linear functions.
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LINEAR FUNCTION
• function whose graph is a line
• exponent of x will be 1
• has a constant rate of change
Makes when graphed:
Line
Parent Function
y = x
Standardform:
Ax + By = C
Slope-Intercept
form:
y = mx + b
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FUNCTION
relationship that pairs each
input value with exactly one
output value (input cannot repeat;
output can repeat)
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9/23 Think About It:Journal page 49
Identify some things in the photo that will change throughout the day. (variables)Identify some things tin the photo that will remain the same throughout the day. (constant)
Remain Constant
Vary or Change
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9/23 Think About It:Journal page 49
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INDEPENDENT VARIABLE
variable that stands alone and isn’t changed by
other factors
INPUT
DOMAIN
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DEPENDENT VARIABLE
variable that depends on other
factorsOUTPUT
RANGE
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9/23 Concept Builder
X Factor:# of Triangles
Y Factor:Perimeter
Journal: page 50
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Finding an Equation Given X and Y values:
STAT ENTER
Put x valueshere
Put y valueshere
2nd y = ENTER
ENTER
ZOOM
9
STEP 1: Calculator Commands
STEP 2: Input values
STEP 3: turn on stat plots
STEP 4: to graph ZoomStat
STEP 5: Determine if it looks like a LINE, a U, or a RAMP?
LINE: LINEAR
STAT CALC
4 LinReg (ax+b)
Calculate
U: QUADRATIC
STAT CALC
5 QuadReg
Calculate
RAMP: EXPONENTIAL
STAT CALC
0 ExpReg
Calculate
ENTER
ENTER
ENTER
Store RegEQ: Store RegEQ: Store RegEQ:
ALPHA TRACEENTE
R
ALPHA TRACEENTE
R
ALPHA TRACEENTE
R
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9/23 Concept BuilderJournal: page 51 use STAT ENTER handout
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RELATION
any set of ordered pairs
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9/23 Concept BuilderJournal: page 51 use STAT ENTER handout
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9/24 Warm UpSolve the equation you wrote on Wednesday to answer the question.
A plumber finished three jobs on Tuesday.
The first two only cost the owner the $45 trip fee because they took very little time to complete.
For the third job, the plumber charged the trip fee plus 6 times his hourly rate.
If the plumber received a total of $303 for the day, what is the hourly rate?
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9/24 ObjectiveI will be able to solve and
graph inequalities containing the words “and”
and “or”.
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9/24 Assignment
Test Review
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9/25 Warm Up
Turn in Warm Up
Topic 1 Test
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9/25 ObjectiveI will demonstrate my mastery of Topic 1 by
scoring 70 or more on the topic test.
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9/25 Assignment
Topic 1 Test