freezing phase change   3 videos

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  Change of Base Formula

  Precalculus Exponential and Logarithmic Functions

  How to use the change of base formula for logs to evaluate a logarithmic statement.

  change of base log logarithm
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  More Transformations of Sine and Cosine

  Precalculus Trigonometric Functions

  How the value of h affects the shape of the graph y = A sin(B(x-h)).

  transformations sine period amplitude phase shift horizontal shift
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  Applied Linear Equations: Collection Problem

  Precalculus Linear Equations and Inequalities

  How to solve a word problem about how many dimes and quarters it takes to make a certain denomination.

  collection change coins dimes quarter word problem denomination