Algebra 1A M1L1-7 Review

• Commutative Property of Addition

• Associative Property of Addition

• Inverse Property of Addition

• Identity Property of Addition

• Commutative Property of Multiplication

• Associative Property of Multiplication

• Inverse Property of Multiplication

• Identity Property of Multiplication

• Commutative Property of multiplication

• Associative property of Multiplication

• Inverse Property of Multiplication

• Identity property of Multiplication

True or False?

When something is false, you need more than one counter-example to show it is false.

• True

• False

Answer explanation

You only need one counter-example when a statement is false.

• 0

• 5

• -5

• 10

Answer explanation

Parentheses are completed first (3+2)=5

Then the multiplication -5*2=-10

5-10=-5

• -1/2

• 27

• -27

• 1/2

• 1

• 7

• -7

• -1

• -10x-4

• -10x+8

• 5x+8

• 10-8

• -7n+2

• 7n-2

• 17n+82

• 17n-82

• Yes

• No