1. Aim: How do we work on the expression with negative or zero exponent?
Do Now: simplify: 1. 2.
HW: Worksheet

2. Another way
Another way
Therefore,
Another way

3. Laws of Exponents Multiplication Law: xa · xb = xa+b
Division Law: xa  xb = xa-b
Power law: (xa)c = xac
Power-of-a-Product Law: (xy)a = xaya
Power-of-a-Quotient Law:
6. Zero Power: x0 = 1, x  0
7. Negative Exponent:

4. Write with only positive exponents
Express as a fraction the value of 2x0 + 3x-3 for x = 5

5. Find the value of the following:
1. 6x0 6
2. (6x)0 1
3. -5x0 -5
4. (-5x)0 1 5. 6. 7. 1 6

7. Apply the properties of exponents to verify that each statement is an identity.

8. Adding and Subtracting Polynomials