Solving Logarithmic Equations

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What is a logarithm?

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CCSS.HSF.BF.B.5

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What is the change of base formula for logarithms?

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CCSS.HSF.BF.B.5

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What is the product rule for logarithms?

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What is the quotient rule for logarithms?

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What is the power rule for logarithms?

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How do you check for extraneous solutions in logarithmic equations?

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To check for extraneous solutions, substitute the solution back into the original equation to ensure it does not produce a negative argument for any logarithm.

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x = 23.

Tags

CCSS.HSF.BF.B.5

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n = -7.

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What is the definition of a logarithmic equation?

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A logarithmic equation is an equation that involves a logarithm of a variable or expression.