7-4 Properties of Logarithms Warm Up Lesson Presentation Lesson ...

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Example 1: Adding <strong>Logarithms</strong> Express log 6 4 + log 6 9 as a single logarithm. Simplify. log 6 4 + log 6 9 log 6 (4 9) log 6 36 Simplify. 2 To add the logarithms, multiply the numbers. Think: 6 ? = 36.
Express as a single logarithm. Simplify, if possible. log 5 25 + log 5 5 log 5 (25 • 5) 3 Check for understanding log 5 125 Simplify. To add the logarithms, multiply the numbers. Think: 5 ? = 125
Page 1 and 2: 7-4 Properties of Logarithms Warm U
Page 3 and 4: The logarithmic function for pH tha
Page 5: The property in the previous slide
Page 9 and 10: The property above can also be used
Page 11 and 12: Express log 7 343 - log 7 7 as a si
Page 13 and 14: Example 5: Simplifying Logarithms w
Page 15 and 16: Exponential and logarithmic operati
Page 17 and 18: a. Simplify log10 0.9 Check for und
Page 19 and 20: Example 9: Changing the Base of a L
Page 21 and 22: Evaluate log 9 27. Method 1 Change
Page 23 and 24: Evaluate log 8 16. Method 2 Change
Page 25 and 26: Logarithmic scales are useful for m
Page 27 and 28: E 13.95 = log 10 Example 13 Conti
Page 29 and 30: Example 13 Continued Substitute 6.9

7-4 Properties of Logarithms Warm Up Lesson Presentation Lesson ...

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