Reference no: EM13528877
1. Find the median.
24, 27, 35, 39, 30
A) 39 B) 24 C) 27 D) 30
3. Determine whether the following is an expression.
9 + a = p
A) No B) Yes
4. Which property of the real numbers is illustrated by the following statement?
2 • (20 + 17) = 2 • 20 + 2 • 17
A) Associative property of addition C) Commutative property of multiplication
B) Distributive property D) Associative property of multiplication
5. Which of the following is not an expression?
A) ab = 6 B) a + b + c C) x + 2y D) 4(y + 1)
6. Evaluate. (–3)2 – 17
A) –8 B) –23 C) 8 D) –26
7. Use the distributive property to remove the parentheses in the following expression. Then simplify your result if possible.
3(6 + 7)
A) 16 B) 39 C) 126 D) 25
9. Multiply.
2y3 * 5y6
A) 10y18 B) 7y9 C) 10y9 D) 7y18
10. Use your calculator to evaluate the following expression if x = –3.07, and y = 8.77, and z = –6.66. Round your answer to the nearest tenth.
x – yz
A) 55.3 B) 54.0 C) 53.9 D) 56.4
11. Which property of the real numbers is illustrated by the following statement?
7 + 8 = 8 + 7
A) Distributive property C) Associative property of addition
B) Commutative property of addition
12. Add. –5.4 + 9.7
A) –15.1 B) 4.3 C) 15.1 D) –4.3
13. Evaluate. 8 + 2 • 5 – 24 ÷ 6 • 2
A) 42 B) 48 C) 16 D) 10
14. Divide.(-6/0)
A) 1 B) –6 C) 0 D) undefined
15. Evaluate b2 – 2bc + c2 if b = 3 and c = –2.
A) 25 B) 17 C) –7 D) 1
16. Determine the range.
7, –10, 24, 15, 4
18. Combine like terms.
2u – 6u
19. Evaluate. (–4)(–2) + 22
20. Divide (-24/3)
21. Use the indicated property to write an expression that is equivalent to the following expression.
13 • 9 (commutative property of multiplication)
23. Write the following phrase using symbols.
c increased by by 7
24. If a 4.4-pound bag of dog food costs $3.52, what is the cost per pound?
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