#  If m & n are positive AND m = n, then  Can solve exponential equation by taking logarithm of each side of equation  Only works with base 10.

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 If m & n are positive AND m = n, then  Can solve exponential equation by taking logarithm of each side of equation  Only works with base 10

 Solve each equation. Round to the nearest ten- thousandth.

 Use to evaluate logarithm with any base  For an and y positive numbers M, b, & c, with and

 Use the change of base formula to evaluate and then convert to the different base log.

 Can use change of base formula  Take logarithm of each side using the base of exponent as base for logarithm  Use change of base formula

 Use change of base formula to solve.

 Can solve exponential equations by graphing  Use calculator and 2 equations (one for each side of =)  Find intersection

 Solve by graphing

 Contain a logarithmic expression  Solve  HW: p456-458 #2-40even, skip 32, 50-52, 68- 74even, 80-96even

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