Quiz about 8TH GRADE MATH ACAP REVIEW

Question 1

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 2

Which sets of ordered pairs are functions?

Choose all that apply.

Accepted Answer

(4, 2), (-4, 2), (2, 4), (-2, -4)

Accepted Answer

(9, -1), (8, -2), (7, -3), (6, -4)

Accepted Answer

(1, -4), (2, -4,), (3, -4), (4, -4)

Answer

(5, -1), (5, -2,), (5,12), (5, 0)

Answer

(5, 8), (4, 9), (5, 9), (4, 8)

Question 3

Dave owns a lawn business. He charges $10 per hour and a $25 dollar disposal fee. What is the correct equation Dave would use to find out how much to charge his customers?

Accepted Answer

y = 10x +25

Answer

y = 25x + 10

Answer

x = 25y + 10

Answer

x = 10y + 25

Question 4

Who has the greater rate of change?

Accepted Answer

Casey has the greater rate of change

Answer

Hunter has the greater rate of change.

Answer

They have the same rate of change

Question 5

What's the initial value of the equation y = 2x + 4

Accepted Answer

4

Answer

-4

Answer

2

Answer

2x

Question 6

What are the rate of change and initial value?

Accepted Answer

Rate of Change = 3 Initial Value = 8

Answer

Rate of Change = 1/3 Initial Value = 8

Answer

Rate of Change = 8 Initial Value = 3

Answer

Rate of Change = 8 Initial Value = 1/3

Question 7

Reflection means

Accepted Answer

flip

Answer

turn

Question 8

Translation means

Accepted Answer

slide

Answer

flip

Question 9

When one shape can become another using only Turns, Flips and/or Slides, then the two shapes are

Accepted Answer

congruent

Answer

similar

Question 10

An image is

Accepted Answer

The new position of a shape after a transformation

Answer

the position of a shape before a transformation

Question 11

Simplify: 5⁸ x 5^-3

Accepted Answer

55

Answer

511

Answer

5-24

Answer

255

Question 12

How many times greater is

8.2 x 10⁸ then 200,000

Accepted Answer

4,100 times greater

Answer

41 times greater

Answer

410 times greater

Answer

4.1 times greater

Question 13

Which linear equation has a slope of -3 and a y-intercept of (0,4)?

Accepted Answer

y = -3x + 4

Answer

y = 3x - 4

Answer

y = 4x - 3

Answer

y = -4x + 3

Question 14

List the numbers in order from GREATEST to LEAST?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 15

A used-car dealer kept records of the selling price of his used cars in 2005. The scatterplot shows the average selling price of his used cars based on the age of the used car. Using the graph, which is the closest to the selling price of an 8-year-old car?

Accepted Answer

$2500

Answer

$7500

Answer

$5000

Answer

$500

Question 16

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

Accepted Answer

The monthly fee

Answer

How much Rich pays per visit

Answer

The number of times Rich goes to the gym

Answer

The total cost at the end of the month

Question 17

What percentage of girls have blonde hair?

Accepted Answer

30%

Answer

32%

Answer

29%

Answer

40%

Question 18

According to the two-way table, a person who plays an instrument is most likely to:

Accepted Answer

Play a team sport

Answer

Not play an instrument

Answer

Not play a team sport

Answer

All of the above

Question 19

How many people purchased no food and no drink?

Accepted Answer

10

Answer

60

Answer

20

Answer

200

Question 20

Which of the following does NOT represent a function?

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 21

Figure 1 can be transformed to create Figure 2 using a single transformation. Which transformation can be used to accomplish this?

Accepted Answer

reflection

Answer

dilation

Answer

rotation

Answer

translation

Question 22

What is the value of x ?

Accepted Answer

10

Answer

14

Answer

3

Answer

100

Question 23

What is the cost of 8 pounds of gummy candy?

Accepted Answer

$ 12.00

Answer

$ 12.50

Answer

$ 8.00

Answer

$ 13.00

Question 24

What value for the constant, h, in the equation shown will result in an infinite number of solutions?

6x + 18 = h (3x + 9)

Accepted Answer

2

Answer

3

Answer

-3

Answer

-2

Question 25

When you translate, (x-4,y) will move _____.

Accepted Answer

4 units left

Answer

4 units right

Answer

4 units up

Answer

4 units down

Question 26

When you translate, (x+2,y) will move _____.

Accepted Answer

2 units right

Answer

2 units left

Answer

2 units up

Answer

2 units down

Question 27

Slope is ________.

Accepted Answer

Negative

Answer

Positive

Answer

Zero

Answer

Undefined

Question 28

Determine the slope.

Accepted Answer

m=-7

Answer

m=1/7

Answer

m=-1/7

Answer

m=7

Question 29

What number is an irrational number?

Accepted Answer

Square root of 50

Answer

Square root of 25

Answer

Square root of 49

Answer

Square root of 81

Question 30

Angle 1 = 27^oFind the measure of angle 4

Accepted Answer

27o

Answer

153o

Answer

63o

Answer

90o

8TH GRADE MATH ACAP REVIEW

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