Solving Exponential Equations and Logarithmic Equations
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Solving Exponential Equations and Logarithmic Equations
Base-Exponent Property
Property of Logarithmic Equality
Algebra Examples:
*Solve the exponential equation algebraically. Round to three decimal places.
3^x = 81
e^x + e^-x = 5
*Solve the logarithmic equation algebraically.
log2 (10 + 3x) = 5
*Solve.
log6 (x) = 1 - log6 (x-5)
*Use a graphing calculator to find the approximate solutions of the equation.
log8(x) + log8 (x+2) = 2
*Approximate the point(s) of intersection of the pair of equations.
2.3x + 3.8y = 12.4
y = 1.1 ln (x - 2.05)