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
y= -.25x^2+5.5x-5.25
Answers
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
= -1/4 (x^2-22x) - 21/4
= -1/4 (x^2-22x+121) - 21/4 + 121/4
= -1/4 (x-11)^2 + 25
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