What is the vertex of $y= (x - 1)^2 +2x- 1$ ?

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Answer 1 · 2015-11-27T02:40:50

First, simplify ...

$y=(x^2-2x+1)+2x-1=x^2$

So, $y=x^2$ is simply a parabola with vertex $(0,0)$

hope that helped

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What is the vertex of y= (x - 1)^2 +2x- 1y= (x - 1)^2 +2x- 1?