Solving e

1. 3.4: Exponential and
Logarithmic Equations
Essential Question:
How do you solve exponential and
logarithmic equations?
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2. 2

3. 3

4. Strategies for solving logarithmic and
exponential equations:
1﴿ Rewrite in inverse form and use one­to­
one properties
2﴿ For exponential equations, isolate the
base and log both sides.
3﴿ For logarithmic functions, isolate the
log and exponentiate both sides.
Watch for extraneous
solutions!
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5. Ex. 1) Solve.
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6. Ex. 2) Solve for x.
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7. Ex. 3) Solve.
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8. Ex. 4) Solve.
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9. Ex. 5) Solve.
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10. Ex. 6) Solve.
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11. Applications!
Ex. 7﴿ You have deposited $1000 in an
account that pays 6.25% interest,
compounded continuously. How long will it
take your money to double?
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15. Assignment:
3.4 WS Solving Logs and
Exponents
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