Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Solving a Logarithmic Equation - Problem 4

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Why do we get extraneous solutions when solving logarithmic equations algebraically? It has to do with the domain restrictions on the input, and we can see it visually when looking at the graphs and asymptotes.

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