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8th Grade Chapter 4 Review
Test Description: Review of chapter 4 which is graphing linear functions
Instructions: Answer all questions to get your test result.
1) What is the slope of y=2x-4
A
0
B
4
C
2
D
1
2) What is the y-intercept in y=-3x+6
A
3
B
-6
C
-3
D
6
3) What is the slope of a line that goes through (7, 1) and (2, 11)?
A
1/2
B
2
C
-2
D
-1/2
4) When graphing a linear function from slope-intercept form, what is the first point you plot?
A
Plot the y-intercept
B
Plot the x-value
C
Plot the slope
D
Plot the y-value
5) What is another name for slope?
A
rate of change
B
dependent variable
C
initial value
D
independent variable
6) What is another name for y-intercept?
A
dependent variable
B
initial value
C
independent variable
D
rate of change
7) If Jim earns $15 an hour, write an equation to represent his total earnings.
A
y=15x
B
y=x + 15
C
y=15x + 1
D
15
8) Find the slope of the line that goes through (9, -2) and (-1, 4)
A
-6/-10
B
-3/5
C
3/5
D
6/10
9) What is the rate of change in the equation y = 2x - 4
A
0
B
-4
C
2
D
4
10) What is the slope in the equation y = x + 9
A
9
B
0
C
1
D
x
*select an answer for all questions
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