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Math 154
Quiz 2
Name: ______________
Circle the correct answers:
1. Identify the property or operation that is illustrated by (2 + 9) + 7 = 2 + (9 + 7)
a. Commutative property of multiplication
c. Associative property of addition
b. Distributive property
d. Commutative property of addition
2. Identify the property or operation that is illustrated by (7 x) 3 = (x 7) 3
a. Commutative property of multiplication
c. Associative property of multiplication
b. Commutative property of addition
d. Associative property of addition
3. 15 is a solution to the equation y +16 = 21
True
False
4. 30 is a solution to 2x + 5 = 3x - 25
True
False
5. Solve the equation for x:
2
x=7
7
6. Solve the equation for x:
9.32 = x + 3.75
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