Asked by Christopher

Calculate the coordinates of the turning point on the curve y = x^2 + 4x.

Answers

Answered by Steve
y = x(x+4)
The roots are at 0 and -4, so the vertex is at -2.

see http://www.wolframalpha.com/input/?i=x^2+%2B+4x
Answered by Christopher
Thank you
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