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December 22, 2014

December 22, 2014

Posted by **Zouhoer** on Monday, January 25, 2010 at 11:30pm.

Y=x²-16x+63.

A)vertex(8,-1)axis=x=8

B)vertex(8,1)axis=x=8

C)vertex(-8,-1)axis=x=-8

D)vertex(-8,1)axis=x=-8

- algebra -
**Damon**, Monday, January 25, 2010 at 11:48pmx^2-16x= y-63

x^2 - 16x + 64 = y+64-63

(x-8)^2 = y+1

symmetric about the vertical axis x = 8

when x = 8, y = -1

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