Homework #102 (Practice Quiz)
Learning Target #49: I can solve a quadratic equation by taking square roots.
Learning Target #50: I can solve a quadratic equation by completing the square.
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3digit Class Number
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First Name
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Last Name
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email address
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A. Solve each equation by taking the square root of each side.
1) r² = 9; r =
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or r =
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2) 81n² + 1 = 101; n =
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or n =
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B. Solve each equation by completing the square.
3) x² + 12x + 27 = 0; x =
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or x =
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4) 2x² + 12x  5 = 9; x =
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or x =
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Bring any questions about this homework to ask in class tomorrow.
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