For what constant k is 1 the minimum value of the quadratic 3x^2 - 12x + k over all real values of x? (x cannot be nonreal)
minimum value occurs at - b / 2a =- -12/(2*3) = 2
3 ( 2^2) - 12 ( 2) + k = 1
12 - 24 + k = 1
k = 13
+37157 
