1. Find the answer to this problem: (15/16) – (– 3/16) A. –11/8 B. 3/4

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1. Find the answer to this problem: (15/16) – (– 3/16)

A. –11/8

B. 3/4

C. –3/4

D. 11/8

2. Find the value of (–3/8) × (+8/15).

A. –1/3

B. –1/5

C. 11/15

D. 11/23

3. Remove the parentheses from the following expression: (2y + x) ÷ z.

A.2y+x +z

B. 2y/z + x/z

C. Z/2y + x

D. 2yz + xz

4. Identify the exponent in the term –3x2.

A. x

B. 2

C. 3

D. minus sign (–)

5. What is the first step you should take to solve the following expression? (2 ÷ 12) - 32 + 4 × 8 - 33

A. 32

B. 2 ÷ 12

C. –33

D. 4 × 8

6. Which one of the following expressions is a binomial?

A. x/y

B. 3a + 2b

C. –2x

D. 3m – 2n + 4

7. Perform the following division: (–1/6) ÷ (–3/7)

A. 3/42

B. –3/42

C. 7/18

D. –7/18

8. Perform the following calculation: (–16) – (–42)

A. –58

B. 26

C. 58

D. –26

9. What is the value of (–20.16) + (–3.9)?

A. –24.06

B. 24.06

C. 16.26

D. –16.26

10. Perform the following calculation: (+10) + (–45).

A. 35

B. –55

C. 55

D. –35

11. Multiply (–4.2)(–6.8).

A. –28.56

B. –285.6

C. 285.6

D. 28.56

12. Divide 12x4y4 by 3x2y.

A. 4x2y3

B. 9x6

C. 9x2y3

65 D. 4x y

13. Use the correct order of operations to solve the following problem: 6 + (15 × 3) × 2.

A. 102

B. 96

C. 84

D. 126

14. The number +10 can be used to indicate a

A. 10-degree rise in temperature.

B. decrease in salary of $10.

C. withdrawal of $10.

D. loss of 10 pounds.

15. Combine the like terms in the expression 6a – 4b – 2a + c – 3b + a.

A. 3a + b + c

B. 9abc

C. 5a – 7b + c

D. 8a + b + c

16. Remove the parentheses from the following expression, and combine like terms: 3(ax + b2 – c) + 2

22

A. (ax + b2 – c + 5

B. 3ax +3b2 – 3c + 2

C. 3(ax + 3b2 – 3c + 6

D. –3(ax – b2 + 3c – 6

17. Divide –50m3n5 by –5m2n2.

A. 10mn3

B. 45m5n7

C. –10mn3

D. –45m5n7

18. What is the term a–3 equal to?

A. 3a

B. 152a

C. 1/a3

D. 1

19. Find the quotient of 6a3 ÷ 3a.

A. 2a2

B. a2/2

C. 1/2a

D. 2a4

20. Use the correct order of operation to solve the following problem: 3 × (50 – 62) ÷ 2

A. 21

B. 69

C. 18

D. 57

21. If you're given two different numbers on a number line, what can you say for certain about the number that's farther to the right?

A. It's larger than the number to its left.

B. It's a positive number.

C. It's greater than zero.

D. It carries a negative sign.

22. Remove the parentheses from the following expression: (+6) – (+2)

A. 6 – 2

B. –6 – 2

C. –6 + 3

D. 6 + 2

23. Remove the parentheses from the following expression, and combine like terms: (a + b – c) + 3a – 2c

A. 2a – b + c

B. 2a – b – c

C. 4a + b + 3c

D. 4a + b – 3c

24. 10ac × 6ab × (–2bc) = ?

A. 2a + 2b +2c – 120

B. 2a + 2b + 2c + 14

C. 14a2b2c2

D. –120a2b2c2

25. Combine the like terms in this expression: –3x + 2xy + 4y – xy + 2x – 11y

A. 23X + y

B. –X+XY–7y

C. 2xy + 15

D. –7xy

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