Answers

2014-10-17T08:30:30+08:00
Y=x2 - 2x + 1 =(x2 - 2x) + 1 =(x2 - 2x + 1) + 1 + 1 =(x - 1) + 2 h=1 k=2 vertex form: y=a(x-h)2+k y=a(x-1)2+2
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