Expression Review Part 1

1.

• Multiplicative identity

• Additive Identity

• Zero Property

• Associative Property

2.

• -2n + 9

• -2n - 9

• -2n + 18

• -2n - 18

3.

• Commutative property

• Associative property

• Distributive property

• Identity property

4.

• 16x - 36

• -32x - 4

• -32x + 4

• -8x -24

5.

• 25, 29, 33

• 24, 28, 32

• 17, 13, 9

• 26, 30, 34

6.

• 7a

• 7

• 2a

• a

7.

• -8x - 6

• -16x -18

• -16x - 6

• 8x + 6

8.

• 13x - 2

• x - 18

• -13x - 2

• 13x - 18