Illustrative Mathematics
Illustrative Mathematics: A sse.b.3.b: Rewriting a Quadratic Expression
The goal of this task is to complete the square in a quadratic expression in order to find its minimum or maximum value. Aligns with HSA-SSE.B.3.b.
Khan Academy
Khan Academy: Completing the Square (Intro)
Try these multiple-choice practice problems on completing the square.
Khan Academy
Khan Academy: Completing the Square
Solve quadratic equations of the form ax^2+bx+c by completing the square. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.