What value of x will give the minimum value for x^2 + 11x - 5?
Thanks so much for all your help
In the form ax^2 + bx + c the x value that will give the minimum is
-b / [ 2a]
So we have x^2 + 11x - 5
a = 1 b = 11
-b / [2a] = - 11 / [ 2 * 1] = - 11 / 2
And this is the x value that minimizes the function