Solving Quadratics (Day 2)

50 Minute Class, Algebra 1, Curriculum

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


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




  • 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


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