lisabfalder lisabfalder

07-10-2016
Mathematics

contestada

Write x2 - 10x = -24 in vertex form

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apologiabiology apologiabiology

07-10-2016

y=a(x-h)^2+k
basically, complet the square
x^2-10x=-24
take 1/2 of -10 and square it
-10/2=-5, (-5)^2=25
add that to both sides
x^2-10x+25=-24+25
factor perfect square
(x-5)^2=1
minus 1 both sides
(x-5)^2-1=0
[tex]0=1(x-5)^2-1[/tex]

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