slopeequationsparallelperpendicular graphs q $100 q $200 q $300 q $400 q $500 q $100 q $200 q $300 q...
TRANSCRIPT
Slope Equations Parallel Perpendicular Graphs
Q $100
Q $200
Q $300
Q $400
Q $500
Q $100 Q $100Q $100 Q $100
Q $200 Q $200 Q $200 Q $200
Q $300 Q $300 Q $300 Q $300
Q $400 Q $400 Q $400 Q $400
Q $500 Q $500 Q $500 Q $500
Final Jeopardy
Jeopardy
$100 Question from Slope
Find the slope of a line between(-3,3) and (1,1) in simplest form
Jeopardy
$100 Answer from Slope
12
Jeopardy
$200 Question from H1
What is the slope of the blue line?
Jeopardy
$200 Answer from Slope
3 or 31
Jeopardy
$300 Question from Slope
What is the slope of the line whose equation is y = 4x-3?
Jeopardy
$300 Answer from Slope
4 or 41
Jeopardy
$400 Question from Slope
What is the slope of the line whose equation is -4x + 2y=12?
Jeopardy
$400 Answer from Slope
24 2 12
2 4 12
2 6
x y
y x
y x
Jeopardy
$500 Question from SlopeIf a line with a slope of 2/3 passes through (-9,1) and (3,y). Find the value of y.
Jeopardy
$500 Answer from Slope
9
Jeopardy
$100 Question from Equations of Lines
Write the equation of the line whose y-intercept is 3 and whose slope is ½.
Jeopardy
$100 Answer from Equations of Lines
13
2y x
Jeopardy
$200 Question from Equations of Lines
Write an equation of a line parallel toy=3x-2 that has a y-intercept of 5.
Jeopardy
$200 Answer from Equations of Lines
y = 3x + 5
The line must have a slope of 3 because the lines are parallel. b = 5 because that is the y-intercept.
Jeopardy
$300 Question from Equations of Lines
Write an equation of a line that isperpendicular to y = 2x and has ay-intercept of 2.
Jeopardy
$300 Answer from Equations of Lines
12
2y x
If the first line has a slope of 2, then the perpendicular line has a slope of -1/2. b=2
Jeopardy
$400 Question from Equations of Lines
What is the name of this form for a straight line?
y = mx + b
Jeopardy
$400 Answer from Equations of Lines
Slope-intercept form
Jeopardy
$500 Question from Equations of Lines
Change this equation to slope-interceptform: 6x – 3y = 18.
Jeopardy
$500 Answer from Equations of Lines
6 3 18
3 6 18
2 3
x y
y x
y x
Jeopardy
$100 Question from Parallel Lines
If lines are parallel, what do you knowabout their slopes?
Jeopardy
$100 Answer from Parallel Lines
They are equal or they have the same slope.
Jeopardy
$200 Question from Parallel Lines
A line passes through (-3,-1) and (5,3).What is the slope of a parallel line that passes through (0,-3)?
Jeopardy
$200 Answer from Parallel Lines
12
Jeopardy
$300 Question from Parallel Lines
Write the equation of a line parallel to that has
a y intercept of -2.
25
3y x
Jeopardy
$300 Answer from Parallel Lines
The lines must have equal slopes.
22
3y x
Jeopardy
$400 Question from Parallel Lines
Write the equation for aline passing through(0,6) that is parallel to the blue line.
Jeopardy
$400 Answer from Parallel Lines
y = -2x + 6
Lines are parallel soslopes are equal.
Jeopardy
$500 Question from Parallel Lines
Jeopardy
What is the equation of a line parallel to
that passes through (2,8)?
13
2y x
$500 Answer from Parallel Lines
Jeopardy
17
2y x
$100 Question from Perpendicular Lines
If the slope of one line is +2/3, whatis the slope of the line perpendicular tothis line?
Jeopardy
$100 Answer from Perpendicular Lines
32
Jeopardy
$200 Question from Perpendicular Lines
Find the slope of a line perpendicularto 6x – 2y=12.
Jeopardy
$200 Answer from Perpendicular Lines
The given line has a slope of 3 sothe perpendicular line has a slope of-1/3.
6 2 12
2 6 12
3 6
x y
y x
y x
Jeopardy
$300 Question from Perpendicular Lines
A line drawn perpendicular to the red line will have what slope?
Jeopardy
$300 Answer from Perpendicular Lines
The slope of the red line is -3, so the slope of the blue line is 1/3.
Jeopardy
$400 Question from Perpendicular Lines
If two lines are perpendicular, howdo their slopes compare?
Jeopardy
$400 Answer from Perpendicular Lines
One slope is positive and one is negative.The fraction for the slope is flipped.
2 33 2and
Jeopardy
$500 Question from Perpendicular Lines
Change the red number so the two lines are perpendicular.
2 12y x 3 1y x
Jeopardy
$500 Answer from Perpendicular Lines
2 12y x 12
1y x Jeopardy
$100 Question from Graphs
Which line has positive slope? Red or Green? Find its slope.
Jeopardy
$100 Answer from GraphsRed line since it is going up.
Slope = 1/4
Jeopardy
$200 Question from Graphs
What is the slope of this line in simplest form?
Jeopardy
$200 Answer from Graphs
1/3
Jeopardy
$300 Question from Graphs
Write the equation for this line in slope-intercept form.
Jeopardy
$300 Answer from Graphs
11
3y x
Jeopardy
$400 Question from Graphs
A line is drawn through (0,4) thatis parallel to the blue line. What is its equation?
Jeopardy
$400 Answer from Graphs
The lines have equal slope, but differenty-intercepts.
14
3y x
Jeopardy
$500 Question from Graphs
A line is drawn through (0,4) thatis perpendicular to the blue line. What is its equation?
Jeopardy
$500 Answer from Graphs
The slopes are opposite signs and the flipped over. Slope of blue line: 1/3. Slope of green line: -3
3 1y x
Jeopardy
Final JeopardyA salesperson earns $50 a day plus $15 for every hour she works. How long will it take her to make $170? You can use S for her salary and H for the number of hours she works.
Hours Salary
0
1
2
3Jeopardy
Final Jeopardy Answer
8 hoursHours Salary
0 50
1 65=50+15
2 80=50+15+15
3 95=50+15+15+15
4 110=50+15+15+15+15
5 125=15+5(15)
6 140=15+6(15)
7 155=15+7(15)
8 170=15+8(15)
H 50+H(15)
50 15
170 50 15
120 15
8
S H
H
H
H
Jeopardy