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7th Grade Linear Equations
Test Description: Intro to Linear Equations
Instructions: Answer all questions to get your test result.
1) Josafina deposited $250 into her account. She then saves $40 per month. Which equation represents this?
A
y = 250 - 40x
B
y = 40 + 210x
C
y = 40 + 250x
D
y = 250 + 40x
2) The equation y = 9.5x +100 represents the amount that Javier earns by working a certain number of hours plus a holiday bonus. Which amount represents the bonus?
A
$100
B
$9.50
C
$90.50
D
$109.50
3) On the first day of the month, Jane has $500 in her account. Each time she buys lunch, she spends $8. Which equation represents this?
A
8 + 500x
B
500 +8x
C
8 - 500x
D
500 - 8x
4) Which points satisfy y = 3x - 2?
A
(0, -2), (2, -5), (4, -8)
B
(0,3), (2, 6), (5, 13)
C
(0, -2), (1, 2), (2, 4)
D
(0 -2), (1, 1), (2, 4)
5) y = 100 - 25x is correctly explained in which of the following
A
initial fee of 100 and -25 per month
B
initial fee of 100 and 25 per month
C
initial fee of 25 and 100 per month
D
initial fee of -25 and 100 per month
6) What is another name for slope?
A
initial value
B
x-axis
C
y-intercept
D
rate of change
7) What is another name for y-intercept
A
rate of change
B
cross the x-axis
C
initial value
D
slope
8) Which value represents the rate of change?
A
b
B
x
C
m
D
y
9) Which value represents the initial starting point?
A
b
B
m
C
x
D
y
10) Linear equations form what when graphed?
A
straight line
B
curved line
C
parabola
D
dotted line
*select an answer for all questions
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