Form 1a - Chapter 7 Test

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NAME ___________________________________________________ DATE ______________________ PERIOD ____________
Chapter 7 Test, Form 1A
SCORE _____________
1. The volume of a certain cube can be found using the expression 5
3
. Express 5
3
as a
product of the same factor. Then determine the value.
6.7(A)
5 × 5 × 5; 125
2. Generate an equivalent expression for 8 × 8 × 8 × 8 using an exponent.
6.7(A)
4
8
Generate an equivalent expression for each using the order of operations.
6.7(A)
32
2
+ 7
3. 5
14
2
4. 21 - 3
+ 2
50
5. 58 - 2 × (3 + 1)
84
6. 4 × 3 + 9 × 8
Evaluate each expression.
Preparation for 6.7(D)
72
7. cd if c = 9 and d = 8
_
1
_
3
1
2
8. 2 + 3n if n =
2
0
9. s + t - u if s = 12, t = 8, and u = 20
Define a variable and write each phrase as an algebraic expression.
Preparation for 6.7(D)
c = money Caitlin has; c - 10
10. 10 dollars less than Caitlin
t = cost of one ticket; 13t
11. 13 times the cost of one ticket
w = width; w + 12
12. twelve inches longer than the width
Determine whether the two expressions are equivalent. If so, identify the properties
that are applied. If not, explain why.
Preparation for 6.7(D)
Yes; Identity Property
13. 3 + 0 and 3
Yes; Commutative Property
14. 6 × 4 and 4 × 6
No; the first expression is equal to 1 and
15. (8 ÷ 4) ÷ 2 and 8 ÷ (4 ÷ 2)
the second is equal to 4.
75
Course 1 • Chapter 7 Algebraic Expressions

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