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Unit 7 Quadratics Radical Equations Goal: I can solve simple radical equations in one variable (A-REI.2)

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Radical Equations- Extraneous Solutions- An equation in which the variable is under a radical An answer that is generated when solving a radical equation, but is not a solution to the original equation. VOCABULARY:

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EXAMPLE 1: Solve the equation. Check for extraneous solutions The opposite of a square root is squaring! You must check for every problem!

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EXAMPLE 2: Solve the equation. Check for extraneous solutions

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Your turn…

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EXAMPLE 3: Solve the equation. Check for extraneous solutions

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EXAMPLE 4: Solve the equation. Check for extraneous solutions

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Your turn…

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EXAMPLE 5: Solve the equation. Check for extraneous solutions

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Your turn…

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EXAMPLE 6: Solve the equation. Check for extraneous solutions

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Your turn…

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Homework Radical Equations (odds)

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