Algebra 1 section 10.4

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# Algebra 1 section 10.4 - PowerPoint PPT Presentation

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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Essential Question: How do you solve a quadratic equation by finding square roots?

### Algebra 1section 10.4

Use Square Roots to Solve Quadratic Equations

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.
Examples
• Solve the following quadratic equations.

a) c)

b) d)

Examples
• Solve the following quadratic equations.

a) b)

Examples
• Solve the following quadratic equations.

a) c)

b) d)