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Learning Goal: Develop procedural fluency with the quadratic formula.

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Classwork

• Estimation 180 – Day 186 (Andrew Stadel)
• Warm Up
• Unpack upcoming Concept Quiz
• Practice (front page taken from New Visions)
• Spiraling Practice

Answers

• Link to Answers

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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