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Asked by Maddie

Convert equation from quadratic form to vertex form, y= a(x-h)^2 +k, by completing the square.

y= -.25x^2+5.5x-5.25
8 years ago

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Answered by Steve
-.25x^2+5.5x-5.25
= -1/4 (x^2-22x) - 21/4
= -1/4 (x^2-22x+121) - 21/4 + 121/4
= -1/4 (x-11)^2 + 25
8 years ago
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Convert equation from quadratic form to vertex form, y= a(x-h)^2 +k, by completing the square.

y= -.25x^2+5.5x-5.25

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