Use the indicated property to write an expression that is

Question

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?