Develop a sketchy approach to solving quadratic inequalities! Using a sketch of a graph, the presenter shows a way to solve quadratic inequalities. Pupils then practice that method to solve their own quadratic inequalities and apply the skill to solve word problems.

Concepts

compound inequalities, quadratic inequalities, solving for 1 variable inequality, solving inequalities, factoring quadratics, graphing quadratics, solving quadratics

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Additional Tags

math

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Instructional Ideas

• Review writing compound inequalities

Classroom Considerations

• The class should be able to solve quadratics by factoring
• Individuals need to understand the graph of a quadratic

Pros

• Shows the work required to get to the solution
• Includes two worksheets with answers

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 HSA-CED.A.1 MP1 MP2 MP6