Question

F(x)=x^2+4 solve using the quadratic formula

Answer 1

a = 1 b = 0 a = 4

x = [-b +-sq root (b^2 -4ac)] / 2a

x = [0 +- sq root (0 - 4 * 1 * 4)] / 2a

x1 = + 4i / 2

x1 = 2i

x2 = -4i / 2

x2 = -2i

Where "i" is the square root of minus 1

Explanation: