# Quadratic Formula

CC.9-12.A.REI.4b – 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.

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This entry was posted by Brandon on 2012/01/25 at 1:06 pm, and is filed under 9th-12th Grades Mathematics, Algebra, CC.9-12.A.REI.4b, Common Core, Mathematics, Reasoning with Equations and Inequalities (A-REI). Follow any responses to this post through RSS 2.0. Both comments and pings are currently closed. |

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