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Write the phrase as a variable expression. Use x to represent "a number."

Question : Write the phrase as a variable expression. Use x to represent "a number." : 2151672

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Write the phrase as a variable expression. Use x to represent "a number."

1) The sum of a number and 17

A) x + 17

B) 17

C) 17x

D) 17 - x

2) 150 plus a number

A) 150

B) 150x

C) 150 + x

D) 150 - x

3) The total of a number and 129

A) 129x

B) 129 - x

C) x + 129

D) 129

4) The difference of a number and 27

A) 27x

B) x - 27

C) 27 - x

D) (27/x)

5) 54 decreased by a number

A) 54x

B) x - 54

C) 54 - x

D) (54/x)

6) A number less 56

A) 56 - x

B) 56x

C) x - 56

D) (56/x)

7) 107 less a number

A) 107 - x

B) 107x

C) x + 107

D) 107

8) 39 subtracted from a number

A) 39 - x

B) 39

C) x - 39

D) 39x

9) A number subtracted from 75

A) 75x

B) 75 - x

C) x - 75

D) 75

10) The product of 6 and a number

A) 6x

B) (6/x)

C) 6 - x

D) 6 + x

11) A number times 2

A) 2x

B) 2 + x

C) 2 - x

D) (2/x)

12) A number divided by 35

A) (35/x)

B) (x/35)

C) 35x

D) x - 35

13) The quotient of 58 and a number

A) (x/58)

B) 58 - x

C) x - 58

D) (58/x)

14) 9 less than 5 times a number

A) 9x - 5

B) 5x - 9

C) 5 - 9x

D) 9 - 5x

15) 4 more than 3 times a number

A) 3(4 + x)

B) 4x + 3

C) 7x

D) 3x + 4

16) The difference of 3 times a number, and 7

A) 7 - 3x

B) 7x - 3

C) 3x - 7

D) 3 - 7x

17) 9 decreased by 7 times a number

A) 7 - 9x

B) 7x - 9

C) 9x - 7

D) 9 - 7x

18) The quotient of 3 and a number, decreased by 6

A) 6 - (3/x)

B) (x/3) - 6

C) (3/x - 6)

D) (3/x) - 6

19) The sum of 8, a number, and the product of 5 and the number

A) 8x + 5x

B) 8 + x + 5x

C) 8 + 5x

D) 5x(8 + x)

Write the sentence as an equation. Use x to represent "a number."

20) A number added to -5 gives -32.

A) -5 + x = -32

B) x - 32 = -5

C) -5 - 32 = x

D) x = -5 + 32

21) Five subtracted from a number gives 6.

A) 5 + x = 6

B) 6 - 5 = x

C) x - 5 = 6

D) 5 - x = 6

22) Seven times a number is 21.

A) (7/x) = 21

B) x7 = 21

C) 7x = 21

D) 7 + x = 21

23) Four times a number amounts to -16.

A) 4 + x = -16

B) x4 = -16

C) 4x = -16

D) (4/x) = -16

24) The quotient of 35 and a number amounts to 5.

A) 35 - x = 5

B) 35x = 5

C) (x/35) = 5

D) (35/x) = 5

25) A number subtracted from -8 is equal to 72.

A) -8 = x - 72

B) -8 - x = 72

C) -8 + x = 72

D) x - (-8) = 72

26) Eight added to five times a number is 37.

A) 5(x + 8) = 37

B) 5x = 8 + 37

C) (8 + 5)x = 37

D) 8 + 5x = 37

27) Ten subtracted from five times a number yields 60.

A) 10 - 5x = 60

B) 5x - 10 = 60

C) 10(5 - x) = 60

D) 5(x - 10) = 60

28) Twice the sum of -56 and a number is 20.

A) 2x + (-56) = 20

B) 2 + x + (-56) = 20

C) x + 2(-56) = 20

D) 2(-56 + x) = 20

29) Ten times the difference of 7 and a number equals -170.

A) 10x - 7 = -170

B) 10(7 - x) = -170

C) 10(7) - x = -170

D) 10(x - 7) = -170

30) The product of 2 and the sum of -26 and a number gives -20.

A) 2x + (-26) = -20

B) 2(-26) + x = -20

C) 2(-26 + x) = -20

D) 2x(-26) = -20

Solution
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