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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