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Published byOphelia Norman Modified over 8 years ago

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2.13 Use Square Roots to Solve Quadratics Example 1 Solve quadratic equations Solution Write original equation. 5 Solve the equation. Add __ to each side. Take sq root of each side. Simplify. The solutions are ____ and ____.

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2.13 Use Square Roots to Solve Quadratics Example 1 Solve quadratic equations Solution Write original equation. 7 Solve the equation. Subtract __ from each side. Negative real numbers do not have real ____________. square roots So, there is ____________. no solution

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2.13 Use Square Roots to Solve Quadratics Example 2 Take square root of a fraction Solution Write original equation. 25 Solve the equation 25k 2 = 9. Divide each side by ____. Take sq root of each side. Simplify. The solutions are ____ and ____.

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2.13 Use Square Roots to Solve Quadratics Checkpoint. Solve the equation.

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2.13 Use Square Roots to Solve Quadratics Checkpoint. Solve the equation.

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2.13 Use Square Roots to Solve Quadratics Example 3 Approximate solutions of a quadratic equation Solution Write original equation. 3 Subtract __ from each side Divide each side by ___. Take sq roots of each side. The solutions are ______ and _____. Solve 4x 2 + 3 = 23. Round the solution to the nearest hundredth. 4 Use a calculator. Round to the nearest hundredth.

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2.13 Use Square Roots to Solve Quadratics Checkpoint. Solve the equation. Round the solutions to the nearest hundredth.

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2.13 Use Square Roots to Solve Quadratics Checkpoint. Solve the equation. Round the solutions to the nearest hundredth.

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2.13 Use Square Roots to Solve Quadratics Example 4 Solve a quadratic equation Solution Write original equation. Divide each side by ___. Take sq roots of each side. Solve 5(x + 1) 2 = 30. Round the solution to the nearest hundredth. 5 Subtract __ from each side 1

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2.13 Use Square Roots to Solve Quadratics Checkpoint. Solve the equation. Round the solutions to the nearest hundredth, if necessary.

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2.13 Use Square Roots to Solve Quadratics Checkpoint. Solve the equation. Round the solutions to the nearest hundredth, if necessary.

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2.13 Use Square Roots to Solve Quadratics Pg. 129, 2.13 #1-23

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