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August 27, 2015

Homework Help: Pre-Algebra: HELP PLEASE

Posted by Cheryl on Tuesday, March 1, 2011 at 2:16pm.

I'm really bad at these, can someone help me PLEASE?

1. Name the property shown by the statement: 9x + 0 = 9x
a. Commutative Property of Addition
b. Commutative Property of Multiplication
c. Identity Property of Addition
d. Identity Property of Multiplication
ANSWER: a

2. Name the property that is shown by the statement: 12x1=1x12
a. Commutative Property of Addition
b. Commutative Property of Multiplication
c. Identity Property of Addition
d. Identity Property of Multiplication
ANSWER: d

3. Name the property that is shown by the statement: x + 8 = 8 + x
a. Commutative Property of Addition
b. Associative Property of Addition
c. Identity Property of Addition
d. Distributive Property
ANSWER: b

4. Name the property that is shown by the statement:
x + (1 + 2) = (x + 1) + 2
a. Commutative Property of Addition
b. Associative Property of Addition
c. Identity Property of Addition
d. Distributive Property
ANSWER: a

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