Completing the Square

By the end of this section I can...

-solve quadratic equations by completing the square

-rewrite quadratic equations in vertex form

-determine the vertex of a quadratic function

-determine the x-intercept(s) of a quadratic function

-determine the y-intercept of a quadratic function

Khan Academy Videos and Interactive Practice:

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/v/solving-quadratic-equations-by-completing-the-square

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/v/ex1-completing-the-square

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/e/completing_the_square_in_quadratic_expressions

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/e/completing_the_square_1

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/v/completing-the-square-to-solve-quadratic-equations

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-by-completing-the-square/e/completing_the_square_2

Writing in Vertex Form

https://www.khanacademy.org/math/algebra/quadratics/features-of-quadratic-functions/v/rewriting-a-quadratic-function-to-find-roots-and-vertex (fast forward to about halfway through the video)

https://www.khanacademy.org/math/algebra/quadratics/features-of-quadratic-functions/e/identifying-and-using-quadratic-forms

https://www.khanacademy.org/math/algebra/quadratics/features-of-quadratic-functions/v/ex3-completing-the-square

https://www.khanacademy.org/math/algebra/quadratics/features-of-quadratic-functions/e/rewriting-expressions-to-reveal-information

Other Resources:

http://www.purplemath.com/modules/sqrquad.htm

https://braingenie.ck12.org/skills/106838

https://braingenie.ck12.org/skills/106839

https://braingenie.ck12.org/skills/106840

My Resources:

https://www.educreations.com/lesson/view/5-5-b-17/35654648/