Completing the Square

Completing the Square

Author: Serena Foltz

Solve quadratic equations by completing the square

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Completing the Square is where you...

Take a Quadratic Equation in Standard Form like this:

ax^2 + bx + c = 0

and turn it into Vertex Form like this:

a(x+d)^2 + e = 0

Further Understanding

For even more understanding.


Click HERE when a = 1


for a is not equal to 1 Click  HERE

Source: Coolmath.com

Skill Builder

Click HERE to practice completing the square


Source: Khan academy

Fun and Games

Click HERE to play Completing the Square

Source: Mangahigh.com

Check for Understanding

Click HERE and complete assessment to check for understanding.

Email your results to sfoltz@geh.nj.k12us.com


Click HERE and complete assessment.