1. 8-4 ZERO AND NEGATIVE EXPONENTS ALGEBRA 1 CP OBJECTIVE: EVALUATE AND SIMPLIFY EXPRESSIONS IN WHICH ZERO AND NEGATIVE NUMBERS ARE USED AS EXPONENTS.

2. ZERO AS AN EXPONENT For any nonzero number a, a 0 = 1 Ex: 5 0 = (-2) 0 =(3/2) 0 = NEGATIVE EXPONENTS For any nonzero number a and any integer n, Ex: 6 - 4 = 7 – 1 =

3. EXAMPLE Write each expression as a simple fraction. a. 4 -3 b. (-3) -2

4. TRY ON YOUR OWN… a. 3 - 4 b. (-7) 0 c. (- 4) - 3 d. 7 - 3 e. - 3 -2

5. EXAMPLE Rewrite each expression so that all exponents are positive. a.4yx – 3 b.

6. CLASSWORK/HOMEWORK Pg 382 - 383 # 14 – 36 even, 52, 54, 56