Example 1: Completing the square | Quadratic equations | Algebra I | Khan Academy - By Khan Academy
Completing the Square 2-From Khan Academy
Example 1: Completing the square | Quadratic equations | Algebra I | Khan Academy is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSA.REI.B.4.b.
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1. 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..
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