Quiz about 8th Grade Pre-Algebra KPREP REVIEW

Question 1

Which expression matches:
The sum of 6 and 5 doubled

Accepted Answer

2 x (6 + 5)

Answer

2 x 6 + 5

Answer

6 + (5 x 2)

Question 2

What step would I do second?
(4 - 2) x 9 + 7 =

Accepted Answer

multiplication

Answer

subtraction

Answer

addition

Answer

dividing

Question 3

g divided by 9

Accepted Answer

g/9

Answer

9g

Answer

g-9

Answer

9/g

Question 4

Three times a number increased by nine

Accepted Answer

3h+9

Answer

3h-9

Answer

3(h-9)

Answer

3(h+9)

Question 5

The quotient of a number and 8

Accepted Answer

g/8

Answer

8g

Answer

8/g

Answer

g+8

Question 6

Three times the sum of 2 and e.

Accepted Answer

3(e+2)

Answer

3e+2

Answer

3(e-2)

Answer

2e+3

Question 7

What are the variables of 7x+6y-9

Accepted Answer

x, y

Answer

6,7

Answer

9

Answer

6y, 7x

Question 8

Evaluate expression: 5a + b for a= 6 and b= 3

Accepted Answer

33

Answer

36

Answer

30

Answer

59

Question 9

Evaluate expression: -5a -b for a= -6 and b= 3

Accepted Answer

27

Answer

33

Answer

30

Answer

24

Question 10

Classify the Number: -23

Accepted Answer

Real, rational, integer

Answer

Rational

Answer

integer

Answer

Real, irrational, whole

Question 11

The set of rational numbers includes all the following except...

Accepted Answer

5/0

Answer

-42

Answer

0

Answer

14.7

Question 12

What number below is a natural, whole, integer, rational, and real number ?

Accepted Answer

3

Answer

-4

Answer

5.1

Answer

0.7

Question 13

Classify 0

Accepted Answer

All of the above

Answer

Whole

Answer

Integer

Answer

Rational

Question 14

How would 0.333333 be classified?

Accepted Answer

rational and real

Answer

real and whole

Answer

only integer

Answer

only irrational

Question 15

Simplify the expression:
8(5 + w)

Accepted Answer

40+8w

Answer

40 + w

Answer

85 + 8w

Answer

13+8w

Question 16

Which of the following is equivalent to 5(2x + 6)?

Accepted Answer

10x + 30

Answer

10x + 6

Answer

40x

Answer

2x + 30

Question 17

-2(x - 5)

Accepted Answer

-2x + 10

Answer

-2x - 10

Answer

-2x + 5

Answer

-2x - 5

Question 18

-4(-p - 6)

Accepted Answer

4p + 24

Answer

4p - 24

Answer

-4p + 24

Answer

-4p - 24

Question 19

Which of the following is equivalent to    3h +7(2 + 4h)?

Accepted Answer

31h +14

Answer

90h

Answer

7h + 20

Answer

50h

Question 20

Which of the following is equivalent to 8(5f - 7) + 3f ?

Accepted Answer

43f - 56

Answer

43f - 7

Answer

-13f

Answer

40f -7 + 3f

Question 21

What is the ordered pair for point A?

Accepted Answer

( 2, 0)

Answer

( 0 , 2)

Answer

(0, -2)

Answer

(-2,0)

Question 22

Which number in the ordered pair, (-4, 5) represents the x-value?

Accepted Answer

-4

Answer

5

Question 23

What is the letter is a the the ordered pair (0, 3)?

Accepted Answer

R

Answer

A

Answer

M

Answer

L

Question 24

Where is point A located?

Accepted Answer

( 2 , 7 )

Answer

( 7 , 2 )

Answer

( 2 , 6 )

Answer

( - 2 , 7 )

Question 25

In the ordered pair, (7, -7), first I would move ____ then ____.

Accepted Answer

Right , Down

Answer

Left, Down

Answer

Left, Up

Answer

Right , Up

Question 26

Which quadrant contains the point named by (2, 5)?

Accepted Answer

Quadrant I

Answer

Quadrant II

Answer

Quadrant III

Answer

Quadrant IV

Question 27

If you were to plot the point (5, -2) what would be the correct method?

Accepted Answer

Right 5, down 2

Answer

Up 5, left 2

Answer

left 5, Down 2

Answer

Down 5, left 2

Question 28

What type of association does this graph have?

Accepted Answer

positive

Answer

negative

Answer

none

Answer

all of the above

Question 29

What type of correlation (association)?
The outside temperature and the amount of layers you wear.

Accepted Answer

Negative correlation

Answer

Positive correlation

Answer

No correlation

Answer

All of the above

Question 30

The number of siblings you have and your weight.

Accepted Answer

No correlation

Answer

Positive correlation

Answer

Negative correlation

Answer

All of the above

Question 31

What type of correlation does this scatter plot represent?

Accepted Answer

no correlation

Answer

positive linear correlation

Answer

negative linear correlation

Answer

nonlinear correlation

Question 32

What type of correlation does this graph have?

Accepted Answer

positive

Answer

negative

Answer

none

Answer

all of the above

Question 33

As x increases, y decreases.

Accepted Answer

negative correlation

Answer

no correlation

Answer

correlation coefficient

Answer

positive correlation

Question 34

17 = x + 3

Accepted Answer

x = 14

Answer

x = 20

Answer

x = 13

Answer

x = 19

Question 35

x - 32 = 49

Accepted Answer

x = 81

Answer

x = 17

Answer

x = 71

Answer

x = 49

Question 36

y - 4.6 = 12

Accepted Answer

16.6

Answer

5.8

Answer

7.4

Answer

Answer not Given

Question 37

10x = 90

Accepted Answer

x = 9

Answer

x = 80

Answer

x = 100

Answer

x = 10

Question 38

Solve for x:

Accepted Answer

x = 10

Answer

x = 20

Answer

x = 7

Answer

x = 3

Question 39

33 = 4a - 7

Accepted Answer

a=10

Answer

a=-10

Answer

a=4.5

Question 40

6 - 3a = 21

Accepted Answer

a= -5

Answer

a= 9

Answer

a= -9

Answer

a= 5

Question 41

-3a + 8 = 14

Accepted Answer

a= -2

Answer

a= -7.5

Answer

a= 2

Answer

a= 6

Question 42

20 = 2 - a

Accepted Answer

a= -18

Answer

a= 18

Answer

a= -10

Answer

a= 12

Question 43

8v - 4(v + 8) = 8

Accepted Answer

10

Answer

2

Answer

4

Answer

-4

Question 44

2x - 3 + 4x = 27

Accepted Answer

5

Answer

12

Answer

4

Answer

15

Question 45

5x - 4 + 2x = 3

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 46

3x + 2(4x - 4) = 3

Accepted Answer

1

Answer

4

Answer

3

Answer

2

Question 47

2x + 3(5x - 7) = 47

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 48

Solve for f:
f - 4 = 6f + 26

Accepted Answer

f = -6

Answer

f = -5

Answer

f = 5

Answer

f = 6

Question 49

Solve for x:
5x - 14 = 8x + 4

Accepted Answer

x = -6

Answer

x = 6

Answer

x = -18/13

Answer

x = 10/3

Question 50

Solve for x:
4(1-x)+3x=-2(x+1)

Accepted Answer

x = -6

Answer

x = 6

Answer

x = 3

Question 51

Solve:
2(4x-3) - 8 = 4 + 2x

Accepted Answer

x = 3

Answer

x = 5/3

Answer

x = 1

Answer

x = 2

Question 52

What is the Mode?
22,7,22,1,7,18,18,16,6,6,7

Accepted Answer

7

Answer

18

Answer

21

Answer

6

Question 53

What is the Median?
8,13,2,4,48

Accepted Answer

2

Answer

8

Answer

48

Answer

9

Question 54

What is the Mean?
9, 5, 7

Accepted Answer

7

Answer

8

Answer

11

Answer

6

Question 55

Pick the correct inequality.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 56

Fill in the blank
-4 ____-1

Accepted Answer

<

Answer

>

Answer

=

Question 57

Fill in the blank
3 ____-1

Accepted Answer

>

Answer

<

Answer

=

Question 58

-2 (x+2) < 14

Accepted Answer

x > -9

Answer

x < - 5

Answer

x > -5

Answer

x < -9

Question 59

Does this graph represent a proportional relationship?

Accepted Answer

No, because it doesn't pass through the origin.

Answer

Yes, because it doesn't pass through the origin.

Answer

Yes, because it intersects the y axis.

Answer

No, because it intersects the x axis.

Question 60

Is the graph proportional or non-proportional?

Accepted Answer

Non-Proportional

Answer

Proportional

Question 61

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 62

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 63

Why does this graph show a non-proportional relationship?

Accepted Answer

It does not go through the origin

Answer

Because it is proportional

Answer

It goes through the origin

Answer

It is a straight line

Question 64

Is the graph proportional or non proportional?

Accepted Answer

proportional

Answer

non proportional

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