For what constant k is -1 the minimum value of the quadratic 4x^2-12x+k over all real values of x? x can not be unreal
Minimum value of x will be -b/2a = - -12/8 = 1 1/2
sub in x = 1.5
4 (1.5)^2 -12 (1.5) + k = - 1
9 - 18 + k = -1
k = 8
+36916 
