Sullivan Algebra and Trigonometry: Section 1.3

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Presentation transcript:

Sullivan Algebra and Trigonometry: Section 1.3 Objectives of this Section Solve a Quadratic Equation by Factoring Know How to Complete the Square Solve a Quadratic Equation by Completing the Square Solve a Quadratic Equation Using the Quadratic Formula Solve Applied Problems

A quadratic equation is an equation equivalent to one of the form where a, b, and c are real numbers and a isn’t zero.

Solve the following equation using factoring Solution Set:

Solve: ( ) x + = 2 25 Solution set: {-7, 3}

Solve the following equation by completing the square:

Theorem Quadratic Formula

Discriminant of a Quadratic Equation

Find the real solutions, if any, of the following quadratic equation: