5'2 Introduction to Solving Quadratic Equations

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5.2 Introduction to Solving Quadratic Equations
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• Essential Question
• How do you solve quadratic equations?
• Objectives
• Solve quadratic equations by taking square
  roots.
• Use the Pythagorean Theorem to solve problems
  involving right triangles.

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Rules and Properties
Properties of Square Roots
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Example
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Key Skills Solve quadratic equations by taking
square roots.
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Use the Pythagorean Theorem to solve
problems involving right triangles. Find the
unknown length, a, in right triangle ABC.
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Exercises Solve each quadratic equation, giving
both exact solutions and solutions rounded to the
nearest hundredth.
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Find the unknown length in right triangle
ABC. Round answers to the nearest hundredth.