Solving Quadratics Altogether (Day 2)

Lesson Prep

Lesson Details

• Duration: 50 minutes

• Learning Goal: Develop procedural fluency with multiple methods of solving quadratic equations.

Answer Keys

• Link to Answer Keys

Classwork

• Estimation – Reese’s Pieces

• Warm Up

• Chromebook Handout

• Desmos Challenge

Standards

Common Core

• HSA.REI.B.4.B – Solve quadratic equations by inspection (e.g., for x² = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real numbers a and b.

TEKS

• A.7(B) – describe the relationship between the linear factors of quadratic expressions and the zeros of their associated quadratic functions

• A.8(A) – solve quadratic equations having real solutions by factoring, taking square roots, completing the square, and applying the quadratic formula