1. Exponential form log form If bx = a, then x = logb a b and x must be positive b cannot equal 1

2. Write in exponential form. Write in exponential form. exponent base Example 2-1a

3. Write each equation in exponential form. a. b. Answer: Answer: Example 2-1c

4. Write in logarithmic form. Write in logarithmic form. exponent base Example 2-2a

5. Write each equation in logarithmic form. a. b. Answer: Answer: Example 2-2c

6. Evaluate Example 2-3a

7. Evaluate log10 1000 = y 1000 = 10y 103 = 10y 3 = y Example 2-3b

8. Evaluate Evaluate log9 92 = y 92 = 9y 2 = y log5 53 = y 53 = 5y 3 = y log7 712 = 12 Example 2-4a

9. Evaluate = Example 2-4b

10. Solve Example 2-5a

11. Solve Example 2-5b

12. Solve Check 3: Check 1: or Example 2-7a