1. Exponential Equations
Section 5.6
Logarithmic and
Exponential Equations
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2. Solve logarithmic equations. Solve exponential equations.
Objectives
Solve logarithmic equations.
Solve exponential equations.
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3. Copyright © 2013 Pearson Education, Inc. All rights reserved

4. Recall:
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5. Reminder: The domain of logarithmic functions is positive numbers only so check for extraneous solutions.
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6. Both solutions are in the domain of the log functions.
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7. So the only solution is x=6
Domain: x>4
So the only solution is x=6
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8. Both solutions are valid in the original domain!
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9. Recall:
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10. Copyright © 2013 Pearson Education, Inc. All rights reserved

11. Copyright © 2013 Pearson Education, Inc. All rights reserved

12. Copyright © 2013 Pearson Education, Inc. All rights reserved

13. Homework:
5.6 #5-47 odd
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