Deck 1: Real Numbers and Variable Expressions

Question 1

Find the additive inverse of .

A)
B) -7
C)
D) 0
E) 7

Answer 1

-7

Question 2

Place the correct symbol, < or >, between the two numbers.

A)
B)

Answer 2

Question 3

Evaluate:

A) 57
B) -57
C) -56
D) 58
E) 56

Answer 3

-57

Question 4

Add:

A) 10
B) 14
C) -14
D) -10
E) -6

Question 5

Let . Evaluate for each element of the set.

A) 12, 0, -4
B) -12, 0, 4
C) -12, 0, -4
D) 12, 0, 4
E) 12, 1, -4

Question 6

Place the correct symbol, < or >, between the two numbers.

A) -22 4
B) -22 4

Question 7

Place the correct symbol, < or >, between the two numbers.

A) -4 -15
B) -4 -15

Question 8

Place the correct symbol, < or >, between the two numbers: 53 33.

A)
B)

Question 9

Place the correct symbol, < or >, between the two numbers.

A)
B)

Question 10

Evaluate:

A) 85
B) -85
C) 86
D) -84
E) 84

Question 11

Evaluate:

A) 83
B) -83
C) -82
D) 84
E) 82

Question 12

Place the correct symbol, < or >, between the two numbers.

A)
B)

Question 13

Evaluate:

A) 88
B) -88
C) -87
D) 89
E) 87

Question 14

Add.

A) -17
B) -19
C) 17
D) 19
E) 10

Question 15

Let . For which values of y is true?

A) 4
B) -6
C) -11
D) -11, -6
E) -11, -6, 4

Question 16

Find the additive inverse of .

A)
B) 3
C)
D) 0
E) -3

Question 17

Add:

A) 11
B) 5
C) -11
D) -5
E) 7

Question 18

Evaluate:

A) -53
B) 53
C) -52
D) 52
E) -54

Question 19

Place the correct symbol, < or >, between the two numbers.

A) -25 -45
B) -25 -45

Question 20

Let . For which values of x is true?

A) 9
B) -10, -4, 9
C) -10
D) -10, -4
E) -10, 9

Question 21

Add:

A) -65
B) 65
C) 15
D) -25
E) -45

Question 22

Subtract: 10 - 23

A) 33
B) -18
C) -13
D) -16
E) -15

Question 23

Subtract: 3 - (-12) - 5 - 5

A) 15
B) -19
C) 9
D) 2
E) 5

Question 24

Subtract: -18 - 17

A) 35
B) 1
C) -35
D) -1
E) 306

Question 25

Multiply:

A) 7
B) -160
C) -7
D) -170
E) -27

Question 26

Add: -11 + (-5) + 14

A) -30
B) -14
C) -2
D) 8
E) 3

Question 27

Multiply: (31)20

A) 620
B) 608
C) 594
D) 630
E) 638

Question 28

Add: 1 + (-6) + 7 + (-17)

A) -15
B) 19
C) -29
D) 17
E) -14

Question 29

Subtract: 10 - (-12)

A) -2
B) 2
C) 19
D) 22
E) 25

Question 30

Subtract: -3 - 30

A) 27
B) -34
C) -32
D) -33
E) -37

Question 31

Subtract: 12 - (-14)

A) 26
B) -2
C) -26
D) 2
E) 168

Question 32

Add: -15 + 17

A) -32
B) 32
C) -2
D) 2
E) 3

Question 33

Add:

A) 57
B) -78
C) 15
D) -15
E) 39

Question 34

Subtract: -3 - (-21)

A) -24
B) 14
C) 20
D) 18
E) 22

Question 35

Add:

A) 26
B) 31
C) -19
D) 35
E) 19

Question 36

Subtract: -12 - (-22)

A) -34
B) 34
C) -10
D) 10
E) -264

Question 37

Add:

A) 32
B) -48
C) 0
D) -32
E) 24

Question 38

Subtract: 2 - 21

A) 23
B) -19
C) -23
D) 19
E) -42

Question 39

Subtract: -14 - (-16) - 9 - 5

A) -12
B) 44
C) -2
D) 5
E) -4

Question 40

Subtract: 15 - (-17) - 4

A) -2
B) 2
C) 28
D) 11
E) 56

Question 41

Divide:

A) -13
B)
C)
D) 13
E) 204

Question 42

Find the temperature after a rise of 10 from -25 .

A) -15
B) -35
C) 15
D) -10
E) 35

Question 43

Multiply:

A) 308
B) 8
C) -36
D) 36
E) -8

Question 44

Divide:

A) 8
B) -8
C)
D)
E) 2592

Question 45

Multiply: 1(-4)(-6)

A) -18
B) 3
C) -10
D) -9
E) 24

Question 46

Multiply:

A) -140
B) -100
C) -80
D) 2
E) 1056

Question 47

Divide:

A) -6
B) 6
C)
D)
E) -384

Question 48

The temperature at which mercury boils is . Mercury freezes at . Find the difference between the temperature at which mercury boils and the temperature at which it freezes.

A) -399
B) 399
C) 398
D) 400
E) 100

Question 49

Divide:

A) -13
B)
C)
D) 0
E) Undefined

Question 50

Divide:

A)
B) 15
C)
D) -15
E) -154

Question 51

Divide to evaluate .

A) 11
B) 4
C) 0
D) -2
E) Undefined

Question 52

Divide:

A)
B) -8
C) 8
D)
E) -99

Question 53

The daily low temperatures during one week were recorded as follows: 8 , -1 , 12 , 3 , -8 , -10 , -4 . Find the average daily low temperature for the week.

A) -1
B) -4
C) 0
D) 5
E) 1

Question 54

Multiply:

A) -285
B) 288
C) 285
D) -280
E) 273

Question 55

Multiply:

A) 17
B) 33
C) -33
D) 200
E) -200

Question 56

The low temperatures for a 10-day period in a midwestern city were . Calculate the average daily low temperature for this city.

A) -6
B) 2
C) -4
D) -3
E) 0

Question 57

Divide:

A)
B) 15
C) -13
D)
E) -15

Question 58

Divide:

A)
B) 22
C) -22
D)
E) -168

Question 59

Multiply:

A) 225
B) -224
C) -216
D) -221
E) 224

Question 60

Multiply:

A) 768
B) -864
C) 32
D) -768
E) -672

Question 61

Write 0.45 as a percent.

A) 4.5 %
B) 45 %
C) 0.45 %
D) 0.045 %
E) 0.0045 %

Question 62

Write % as a fraction.

A)
B)
C)
D)
E)

Question 63

Write the following fraction as a decimal.

A) 0.3
B) 0.42
C) 0.46
D) 2.5
E) 0.4

Question 64

Write 0.59 as a percent.

A) 0.059 %
B) 5.9 %
C) 0.59 %
D) 59 %
E) 0.0059 %

Question 65

Write as a percent.

A) 43 %
B) 86 %
C) 1.16 %
D) 430 %
E) 8.6 %

Question 66

Write 9.35% as a decimal.

A) 93.5
B) 0.935
C) 9.35
D) 0.0935
E) 935

Question 67

Write 45.1% as a decimal.

A) 451
B) 0.0451
C) 45.1
D) 4.51
E) 0.451

Question 68

The combined scores of the top eight golfers in a tournament equalled -32 (32 under par). What was the average score of the eight golfers?

A) -16
B) -4
C) 1
D) 16
E) -32

Question 69

Write as a percent. Round to the nearest tenth of a percent, if necessary.

A) 4.5 %
B) 9 %
C) 0.1 %
D) 1.1 %
E) 11.1 %

Question 70

Write 0.667 as a percent.

A) 0.00667 %
B) 6.67 %
C) 0.667 %
D) 66.7 %
E) 0.0667 %

Question 71

Write 75% as a fraction and as a decimal.

A) ; 75
B) ; 0.75
C) ; 0.75
D) ; 7.5
E) ; 7.5

Question 72

Write 125% as a fraction and as a decimal.

A) ; 0.25
B) ; 1.25
C) ; 0.125
D) ; 12.5
E) ; 125

Question 73

Write % as a fraction.

A)
B)
C)
D)
E)

Question 74

Write 5.5% as a decimal.

A) 55
B) 0.055
C) 5.5
D) 0.55
E) 550

Question 75

Write 9.35% as a decimal.

A) 0.0935
B) 0.935
C) 9.35
D) 93.5
E) 935

Question 76

Write % as a fraction.

A)
B)
C)
D)
E)

Question 77

Convert the fraction to a decimal.

A) 0.465
B) 0.375
C) 0.475
D) 0.0375
E) 0.0475

Question 78

To discourage guessing on a multiple-choice exam, a professor assigns 4 points for a correct answer, -2 points for an incorrect answer, and -1 point for leaving the question blank. What is the score for a student who had 18 correct answers, had 8 incorrect answers, and left 4 questions blank?

A) 52
B) 60
C) 84
D) 56
E) 36

Question 79

Write the following fraction as a decimal.

A) 0.15
B) 1.2
C) 0.34
D) 4.0
E) 0.25

Question 80

Write 14% as a fraction and as a decimal.

A) ; 1.4
B) ; 14
C) ; 1.4
D) ; 0.14
E) ; 1400