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January 29, 2015

January 29, 2015

Posted by **Deborah** on Monday, February 10, 2014 at 8:41pm.

- math -
**Steve**, Monday, February 10, 2014 at 8:44pmsince the coefficient of x^2 is positive, we know the parabola opens upward, so it minimum.

The vertex of the parabola is at x = -1, so plug that in to get y.

Or, complete the square:

y = x^2+2x+1 - 8

y = (x+1)^2 - 8

y+8 = (x+1)^2

Now you can just read off the coordinates.

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