Standard
CCSS.Math.Content.HSA.REI.B.4.B - Objective
Solve quadratic equations by inspection (e.g., for x^2 = 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.
High School Algebra · Common Core State Standards · Common Core 2010