POLQ 2 | Lesson 4: Deriving the Quadratic Formula


Learning Intentions (Objectives)

Use completing the square to derive the quadratic formula.

Rationale (Diagnostic Results)

You have probably used the quadratic formula many times without any connection to the standard formula. In case you forget what the quadratic formula is you will be able to derive it after this activity.

Standards Addressed in the Lesson

California Common Core Standards for Mathematics


Lesson Components


Start Lesson




Go to Explore (Completing the Square)