High School · The Complex Number System

CCSS.MATH.CONTENT.HSN.CN.C.7

Solve quadratic equations with real coefficients that have complex solutions.

Read this standard on the official Common Core site

Lessons that teach this standard

• Quadratic Equations with Complex Solutions

  How the quadratic formula gives complex solutions when the discriminant is negative, why they come in conjugate pairs, and what the Fundamental Theorem of Algebra says.