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Algebra 1 section 10.4

Big Idea: Solve quadratic equations Essential Question: How do you solve a quadratic equation by finding square roots?. Algebra 1 section 10.4. Use Square Roots to Solve Quadratic Equations. Solving Quadratic Equations by Taking Square Roots. Solving x 2 = d by Taking Square Roots

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Algebra 1 section 10.4

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  1. Big Idea: Solve quadratic equations Essential Question: How do you solve a quadratic equation by finding square roots? Algebra 1section 10.4 Use Square Roots to Solve Quadratic Equations

  2. Solving Quadratic Equations by Taking Square Roots • Solving x2 = d by Taking Square Roots • If d > 0, then x2 = d has two solutions: • If d = 0, then x2 = d has one solution: • If d < 0, then x2 = d has no solution.

  3. Examples • Solve the following quadratic equations. a) c) b) d)

  4. Examples • Solve the following quadratic equations. a) b)

  5. Examples • Solve the following quadratic equations. a) c) b) d)

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