Introduction to Quadratic Functions · Algebraic Functions

Solving by Square Roots and Completing the Square

Developing methods to solve quadratic equations when the expression is not easily factorable.

Key Questions

  1. 1When is completing the square a more effective strategy than the quadratic formula?
  2. 2Why do some quadratic equations have no real solutions?
  3. 3How does the process of completing the square relate to the vertex form of a function?

Common Core State Standards

CCSS.Math.Content.HSA.REI.B.4CCSS.Math.Content.HSA.SSE.B.3
Grade: 9th Grade
Subject: Mathematics
Unit: Introduction to Quadratic Functions
Period: Algebraic Functions

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Browse curriculum by country

AmericasUSCAMXCLCOBR
Asia & PacificINSGAU