Common Core Math - HS Number and Quantity

Lesson Plan

Solve quadratic equations with complex solutions

Goals / Objectives

Identify when a quadratic equation with real coefficients has complex (non-real) solutions using the discriminant.

Apply the quadratic formula to obtain complex solutions in a + bi form.

Recognize that complex solutions to real-coefficient quadratics always appear as conjugate pairs.

Verify complex solutions by substitution.

Standards

HSN.CN.C.7

Academic Vocabulary

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Accommodations

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Anticipatory Set / Bell Work

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Check for Understanding

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Guided Practice

Independent Practice