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Functions Review

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Functions Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve

125

5

1/5

625

Tags

CCSS.8.EE.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph shows that the price of bananas depends on the number of pounds purchased.  What is the unit rate for this data?

$5 per pound

$1.25 per pound

$1.00 per pound

$0.80 per pound

Tags

CCSS.7.RP.A.2D

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph shows the speed of 2 cars.  The speed of the blue car is 30 miles per hour.  Based on this graph, what is the best estimate of the speed of the red car?

20mph

30mph

45mph

60mph

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the value of y in the following system of equations:
y=2x
y=4x-8

0

4

8

10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the solution of the following system?  (The intersection)

(-0.5,8.5)

(-0.5,0.5)

(0,4)

(2,-14)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The equation y=50x+30 represents the amount of money, y, in Amy’s savings account over time, x. The equation y=30x+50 represents the amount in Sally’s savings account. How does the graph of Sally’s account differ from the graph of Amy’s account?

The graph representing Sally’s account starts lower on the y-axis.

The graph representing Sally’s account starts closer to the origin.

The graph representing Sally’s account is steeper.

The graph representing Sally’s account is flatter.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The points (–3, –5), (0, 4), and (3, 13) lie on the same line. Which equation describes the function for that line?

y=2x+1

y = 3x + 4

y = x + 4

y = x + –2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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