Deer Valley Unified School District



GUIDED NOTES – Lesson 6-5Introduction to Logarithms Name: ______________________ Period: ___ OBJECTIVE: I can write a logarithmic equation as an exponential equation and an exponential equation as a logarithmic equation.A logarithmic function is another way to write an exponential functiony=logax ay=x44100751206500348234012065y is the logarithm, a is the base, x is the numberEXAMPLES: Rewrite in exponential form.a. log35=cb. log 416=2c. log8512=3d. log168= 34e. log3729=6EXAMPLES: Rewrite in logarithmic form.a. 2x=8b. 43=64c. 1634 =8d. 12513=5e. 113=1331To find the exact value of (or evaluate) a logarithm, we can change the equation to an exponential one, then solve.Example: Evaluate the logarithm.a. log2 16b. log3 81c. log13 169d. log12 256e. log2 128 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download