What is the minimum value of a^2+6a-7
The value of "a" that minimizes this is given by --6 / [ 2 * 1 ] = -/2 = -3
Putting this value back nito the function we get
(-3)^2 + 6(-3) - 7 =
9 - 18 - 7 =
9 - 25 =
-16 = minimum value
