1. Review Simplify the following
a2 x a x a4
(x5)6
(a2bc)4 x (b2c)3

2. 8.2 zero and negative exponents

3. Information Negative Exponents Ex: 5-2 = 1 52 Zero exponents
Exponent is integer
A-n = 1 / an
Ex: 5-2 = 1 52
Zero exponents
Number raised to zero answer is 1
a0 = 1
Ex: 3240 = 1

4. Examples - T
4y-2 50
1200
a-8b4
7-3
5-2
6-4
1,000,000,0000

5. St. Examples
13-7
xy0
8-10
1210
c3d-2
d-3e-7 60
8f-1

6. Evaluate expression. Write answer as fraction in simplest form - St
3-3
80 x 2-3
(23)-2
35 x 3-4

7. Evaluate expression. Write answer as fraction in simplest form - St
2-5
(6-1)2 50
5-7 x 59

8. Rewrite expression with positive exponents - T
3x0 / y-3
(5x)0y-2 1 / (3x)-3

9. Evaluate expression. Write answer as fraction in simplest form - St
3x-5 (4x)-2
7 / x-2
(2a)-2 x 3y5

10. Notes - T Y = 2x + 1 Exponential Function y = ax + c a ≠ 0 or 1
Exponential functions form gradual inclines/declines.

11. Graph the equation - St
y = 4x

12. Exponential Graphs - T
Complete table Graph the table of values As the value of x increases, what happens to y? X -3 -2 -1 1 2 3
Y = 3x

13. Exponential Graphs - T
Complete table Graph the table of values As the value of x increases, what happens to y? X -3 -2 -1 1 2 3
Y = (1/2)x

14. Wrap up Questions/Comments
Hw: text pg. 459, #’s: evens, 54 – 58 evens,