Learning Goal: Explore quadratics not equal to zero and compare advantages/disadvantages between factoring and graphing methods.

Note

The warm up and worked examples were taken from New Visions.

Classwork

• Estimation 180 – Day 180 (Andrew Stadel)
• Warm Up
• Worked Examples Slides
• Practice
• Spiraling Practice

Answers

• Link to Answers

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