Solving Quadratic Inequalities

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In this lesson, we review the process used to solve a quadratic inequality. To solve a quadratic inequality, we write our inequality as an equality and solve. The solutions to the equation give us boundaries that allow us to set up intervals on the number line. We can then test values in each interval and determine our solution set. Lastly, our boundaries are included for non-strict inequalities and not included for strict inequalities.
Solving Quadratic Inequalities:
YouTube - Video Khan Academy - Video
Text Lessons:
Math is Fun - Text Lesson Purple Math - Text Lesson
Math - Worksheet
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