Graphing Quadratics (Parabolas) - Cool math Algebra Help Lessons

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Coolmath Algebra
Graphing Quadratics Lesson 8 - Completing the Square (page 4 of 4)
---- This algebra lesson explains how to complete the square.

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STEP 4:

y = ( x^2 - 6x + 9 ) + 3 ___ ... ( -3 )^2 = 9

STEP 5:

STEP 6:

y = ( x - 3 )^2 - 6 ... the -3 is the circled guy

I'll let you check it... and graph it!

YOUR TURN:

Complete the square:

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