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Chapter 6 Revieiw
Test Description: Expressions
Instructions: Answer all questions to get your test result.
1) The volume of a certain cube can be found using the expression 5^3 . What is 5^3 written as a product of the same factor?
A
5 X 3
B
3 X 3 X 3 X 3
C
5 X 5 X 5
D
3 X 5
2) What is 8 × 8 × 8 × 8 written using an exponent?
A
4^8
B
4 X 8
C
4, 096
D
8^4
3) What is the value of 5^2 + 7?
A
12
B
33
C
32
D
42
4) What is the value of 21 - 3^2 + 2?
A
16
B
24
C
14
D
20
5) 58 - 2 x 3 + 1
A
169
B
50
C
224
D
53
6) 4 X 3 + 9 X 8
A
84
B
384
C
168
D
59
7) What is the value of cd if c = 9 and d = 8?
A
17
B
72
C
98
D
89
8) What is the value of 2 + 3n if n = 1/2?
A
3 1/2
B
1 1/2
C
5 1/2
D
8
9) What is the value of s + t - u if s = 12, t = 8, and u = 20?
A
18
B
15
C
10
D
0
10) Which algebraic expression represents 10 dollars less than Caitlin?
A
10c
B
10/c
C
c + 10
D
c - 10
11) Which algebraic expressions represents 13 times the cost of one ticket?
A
13t
B
t ÷ 13
C
13 + t
D
t - 13
12) Which expression represents twelve inches longer than the width?
A
w + 12
B
12 ÷ w
C
12w
D
12 - w
13) What is the factored form of the expression 20x + 35y.
A
5xy(4 + 7)
B
5(4x + 7y)
C
(20 + 35) · (x + y)
D
4x + 7y
14) Simply the expression 7(2x + 6y)
A
14x + 42
B
56xy
C
14x + 42y
D
56x
15) Simplify the expression 2x + 5x + 4x.
A
11x
B
11 + 3x
C
7x + 4x
D
7x
16) Which of the following is the factored form of the expression 18 + 12?
A
6(3 + 2)
B
2(9 + 6)
C
9(2 + 3)
D
3(6 + 4)
17) Which shows how to find 5 × 83 mentally by using the Distributive Property? A. 3(5 + 80) B. 5(80) + 3 C. 3(80) + 5(3) D. 5(80) + 5(3)
A
5(80) + 3
B
3(5 + 80)
C
5(80) + 5(3)
D
3(80) + 5(3)
18) Use the distributive property to simplify 6(x + 4).
A
6x + 24
B
24x
C
6x + 4
D
6x + 10
19) Use the distributive property to simplify 2(5 + r).
A
10 + 2r
B
12r
C
7 + 2r
D
7 + r
20) Use the distributive property to simplify 11(n + 3).
A
14n
B
33n
C
11n + 33
D
n + 33
*select an answer for all questions
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