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Slope
Test Description: Slope from various forms
Instructions: Answer all questions to get your test result.
1) In the equation y=mx + b, what is the y-intercept
A
b
B
m
C
y
D
x
2) Is y=mx + b or y=kx proportional
A
y=mx + b
B
y=kx
3) When looking at a graph, you can tell it's proportional because....
A
the y-intercept goes through anything but the origin.
B
the slope is a whole number and not a fraction
C
the y-intercept goes through the origin
D
there is a zero in either the x or the y column of a table
4) What calculator functions do you use to find slope from a table?
A
Stat Enter X values on L1, Y values on L2 Stat Calc 4 Enter Enter Enter Enter
B
Stat Enter numbers on L1 Stat Sort A or Sort D 2nd 1 Enter Stat Enter
C
Math Enter Enter
D
y= first part of the equation on L1 second part on L2 2nd graph
5) The top part of the fraction for slope is the....
A
y value that goes left and right.
B
y value that goes up and down.
C
x value that goes left and right.
D
x value that goes up and down.
6) What is the x value for slope in the equation y=3x + 5
A
there is no x value.
B
3
C
1
D
5
7) How many spaces do you go up in the equation y=5x + 3?
A
2
B
5
C
3
D
1
8) Jack hired a plumber to fix his sink. The plumber charges $80 just to come out to the house and $45 per hour to fix the sink. What is the equation for this problem?
A
y=15x +30
B
y=45x + 80
C
y=30x + 15
D
y=80x + 45
9) Is the plumbing problem proportional?
A
No because the plumber charges 80 to start which means there is a y-intercept.
B
Yes because both 80 and 45 can be divided by 5
10) Write an equation for the following scenario.... A man walks onto an elevator on the 5th floor. He goes down 2 floors and gets off the elevator. He walks 5 doors over to his apartment.
A
y=5/5x + 2
B
y=-2/5x + 5
C
y=2/5x + 5
D
y=-5/2x + 5
*select an answer for all questions
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