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OpenStudy (anonymous):
Find the vertex of the parabola. y = x2 - 16x + 73 A. (8, 9) B. (9, 8) C. (0, 8) D. (9, 0)
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sam (.sam.):
Complete the square x^2-16x+73 (x-8)^2-(64)+73 (x-8)^2+9 From here, (x-8)=0 , 9 x=8 , 9 (8,9)
OpenStudy (anonymous):
agree with @.Sam.
OpenStudy (nottim):
finally. also, url link is http://openstudy.com/study#/updates/500f5262e4b009397c6771d9
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