Quiz about Math 8 AIR Review

Question 1

Which fraction can be expressed as a terminating decimal?

Accepted Answer

3/8

Answer

7/12

Answer

1/9

Answer

2/3

Question 2

A perfect square is which type of number?

Accepted Answer

Rational

Answer

Irrational

Question 3

What is the type of correlation?

Accepted Answer

no association

Answer

Negative

Answer

positive

Question 4

What type of correlation does this graph have?

Accepted Answer

negative

Answer

positive

Answer

none

Answer

all of the above

Question 5

What type of correlation does this graph have?

Accepted Answer

positive

Answer

negative

Answer

none

Answer

all of the above

Question 6

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 140 pages.

Accepted Answer

14 chapters

Answer

12 chapters

Answer

19 chapters

Answer

21 chapters

Question 7

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school?

Accepted Answer

29%

Answer

4%

Answer

14%

Answer

13%

Question 8

Anything raised to a power of zero is always:

Accepted Answer

1

Answer

0

Answer

itself

Answer

negative

Question 9

Square root of 16 is....

Accepted Answer

4

Answer

8

Answer

2

Answer

3

Question 10

4

Accepted Answer

Is a perfect square.

Answer

Is not a perfect square.

Question 11

Evaluate. 7³

Accepted Answer

343

Answer

313

Answer

323

Answer

333

Question 12

What is the cube root of 27?

Accepted Answer

3

Answer

9

Answer

-3

Answer

-9

Question 13

The volume of a cube is 1,000 cm³. What is the length of each side of the cube?

Accepted Answer

10

Answer

1

Answer

100

Answer

300

Question 14

How would you write 4.3756 x 10⁴in standard form?

Accepted Answer

43,756

Answer

437,560,000

Answer

0.00043756

Answer

4,3756

Question 15

How do you write
1001
in scientific notation?

Accepted Answer

1.001 x 10³

Answer

1.0001 x 10⁴

Answer

1.01 x 10⁵

Answer

10.1 x 10³

Question 16

What is the simplified version of
(5.2 x 10¹³) / (1.3 x 10^-7)

Accepted Answer

4 x 10²⁰

Answer

3.9 x 10⁶

Answer

4 x 106

Answer

3.9 x 10²⁰

Question 17

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Accepted Answer

$8 per pound

Answer

$5 per pound

Answer

$35 per pound

Answer

0.125 pounds per dollar

Question 18

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

Accepted Answer

Inverse operations

Answer

math

Answer

variable

Answer

PEMDAS

Question 19

Translate:
Twelve less than a number

Accepted Answer

x - 12

Answer

12 - x

Answer

12x

Answer

x + 12

Question 20

^x/₃+ 10 = 15

Accepted Answer

15

Answer

75

Answer

25

Answer

5

Question 21

Describe the solution set:
2(x + 5) = 2x + 5

Accepted Answer

no solution

Answer

one solution

Answer

infinitely many solutions

Answer

two solutions

Question 22

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

Accepted Answer

(-3,-8)

Answer

(-8,-3)

Answer

(3,-8)

Answer

(8,3)

Question 23

Parallel Lines never intersect because...

Accepted Answer

they have the same slopes.

Answer

they have the same y-intercept.

Answer

they have different slopes.

Answer

they have different y-intercepts.

Question 24

How many solutions does this system of equations have?

Accepted Answer

Infinitely Many Solutions

Answer

One Solution

Answer

No solution

Answer

Two Solutions

Question 25

Find the slope of the line that passes through the points (2, 4) and (6, 12)

Accepted Answer

2

Answer

1/2

Answer

-1/2

Answer

-2

Question 26

Find the slope of the line.

Accepted Answer

-1

Answer

-2

Answer

2

Answer

1

Question 27

Find the slope of the line.

Accepted Answer

0

Answer

Undefined

Answer

1

Answer

-1

Question 28

Find the slope of the line.

Accepted Answer

Undefined

Answer

0

Answer

1

Answer

-1

Question 29

Which of the following are ways to find the rate of change?

Accepted Answer

all of the above

Answer

change in y over change in x

Answer

rise over run

Answer

subtract y coordinates over subtract x coordinates

Question 30

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Accepted Answer

75

Answer

200

Answer

150

Answer

300

Question 31

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$100 is earned for every 2 hours worked

Answer

$200 is earned for every 3 hours worked

Question 32

Translation are always _______

Accepted Answer

Congruent

Answer

Bigger

Answer

Smaller

Answer

Rotated

Question 33

The image shows what type of transformation

Accepted Answer

Reflection

Answer

Rotation

Answer

Translation

Question 34

How is triangle ABC being translated to triangle A'B'C'?

Accepted Answer

down 9, right 4

Answer

up 3, left 8

Answer

up 9, left 4

Answer

down 3, right 8

Question 35

Triangle ABC is going to be translated. Where would  A' position be at, if the translation was be (x,y) --> (x+3, y-2)?

Accepted Answer

(5,3)

Answer

(-1,3)

Answer

(5,8)

Answer

(3,5)

Question 36

Reflecting over the y-axis changes the ____-_____________.

Accepted Answer

x-coordinate

Answer

x-axis

Answer

y-coordinate

Answer

none of the above

Question 37

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

Accepted Answer

(6, 2)

Answer

(-2, 6)

Answer

(2, 6)

Answer

(-6, -2)

Question 38

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 39

Tell whether the two figures are congruent.

Accepted Answer

No, same shape but different sizes

Answer

Yes, same size and same shape

Answer

No, different size and different shapes

Question 40

Tell whether the two figures are similar. Explain your reasoning.

Accepted Answer

Yes, similar because they are the same shape and side lengths are proportional.

Answer

No, not similar because they are the same shape, but side lengths are not proportional.

Answer

Yes, same shape

Answer

No, different sizes

Question 41

What is congruency?

Accepted Answer

Same size and shape

Answer

Same size

Answer

segment

Answer

congruent

Question 42

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

Accepted Answer

A'(9,9) B'(18,18) C'(27,9)

Answer

A'(6,6) B'(9,9) C'(12,6)

Answer

A'(0,0) B'(3,3) C'(6,0)

Answer

A'(1,1) B'(2,2) C'(3,1)

Question 43

Choose the correct scale factor:

Accepted Answer

2

Answer

3

Answer

1/3

Answer

1/2

Question 44

Name the angle relationship.

Accepted Answer

Alternate Exterior

Answer

Alternate Interior

Answer

Corresponding

Answer

Vertical Angles

Question 45

Name the angle relationship.

Accepted Answer

Corresponding

Answer

Alternate Interior

Answer

Alternate Exterior

Answer

Vertical Angles

Question 46

Name the angle relationship.

Accepted Answer

Alternate Interior

Answer

Alternate Exterior

Answer

Corresponding

Answer

Vertical Angles

Question 47

Which pair of angles add up to 180 degrees?

Accepted Answer

A and G

Answer

A and W

Answer

C and X

Answer

D and X

Question 48

What is the value of x?

Accepted Answer

45

Answer

54

Answer

126

Answer

135

Question 49

Find the length of the missing side.

Accepted Answer

13 cm

Answer

17 cm

Answer

22 cm

Answer

15 cm

Question 50

Find the length of the missing side.

Accepted Answer

80 in.

Answer

20 in.

Answer

68 in.

Answer

16 in.

Question 51

Which set of sides would make a right triangle?

Accepted Answer

5,12,13

Answer

4,5,6

Answer

8,10,12

Answer

5,10,12

Question 52

Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?

Accepted Answer

40 miles

Answer

17 miles

Answer

32 miles

Answer

37 miles

Question 53

Find the volume of the Cylinder

Accepted Answer

1130

Answer

7230

Answer

6621

Answer

907

Question 54

Find the volume of the Sphere

Accepted Answer

523.6 m3

Answer

78.5 m3

Answer

392.5 m3

Answer

62.8 cm3

Question 55

Solve for C

Accepted Answer

25

Answer

155

Answer

90

Answer

65

Question 56

What is the sum of all angles?

Accepted Answer

720

Answer

180

Answer

1080

Answer

360

Question 57

Find the value of x by using the exterior angle theorem.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 58

What is the sum of the exterior angles?

Accepted Answer

360 degrees

Answer

90 degrees

Answer

180 degrees

Answer

540 degrees

Question 59

Find the value of y.

Accepted Answer

125

Answer

135

Answer

140

Answer

110

Question 60

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 61

Question 61.

Accepted Answer

Not a Function

Answer

Function

Question 62

Given f(x) = -4x - 10 and f(x) = 10. Find x

Accepted Answer

x = -50

Answer

x = -5

Answer

x = 5

Answer

x = 30

Question 63

.

Accepted Answer

Not a Function

Answer

Function

Question 64

What is x if
f(x) = -2?

Accepted Answer

8

Answer

4

Answer

0

Answer

3

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