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Chapter 4 Review

Authored by Margaret Maloney

Mathematics

8th Grade

CCSS covered

Used 59+ times

Chapter 4 Review
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30 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Points are shown plotted on the coordinate plane. The points represent a relation, where x is the input and y

is the output.

Which statement is true?

It does represent a function because each input has exactly one output.

It does NOT represent a function because each input has exactly one output.

It does represent a function because each input has many outputs.

It does NOT represent a function because there are many outputs.

Tags

CCSS.8.F.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

It is a function because each x has only one y.
It's not a function because an x has multiple y's.
It's not a function because a y has multiple x's.
It is a function because each y has only one x.

Tags

CCSS.8.F.A.1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the function rule that best represents the following statement:

A bottle rocket is being launched from the roof of an 80 meter tall building. If the rocket travels straight up at a rate of 22 m/s, what is the total height (H) of the rocket as a function of time (x)?

H = 108x

H = 80 - 22x

H = 22x+80

H = 80x + 22

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Find the function rule.

y = 2x

y = 2x+3

y = 3x+3

y = -2x+3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A pizzeria charges $12 per pizza plus an additional $3 for delivery. Which equation represents the cost (c) of having any number of pizzas (p) delivered?

c = 12p + 3

c = 12p

c = 3p

c = 12 + 3p

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A plumber charges a service fee of $40 plus $25 per hour for labor.

(A) Write a function rule for the total cost (y) of hiring the plumber for a job that takes x hours.

(B) How much would it cost to hire the plumber for a job that takes 4 hours?

(A) y = 25x+40

(B) $140

(A) y = 40x + 25

(B) $185

(A) y = 40 + 25x

(B) $185

(A) y = 40x + 25

(B) $140

Tags

CCSS.HSF-BF.A.1A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y is 5 less than the product of 4 and x

y = 4x - 5

y < 4x

y = 5 - 4x

y + 5 = 4x

Tags

CCSS.6.EE.C.9

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