Find the Real Zeros, If Any, of Each Quadratic Function $$h ( x ) = x ^ { 2 } - 4 x + 20$$

Multiple Choice

Find the real zeros, if any, of each quadratic function using the quadratic formula. List the x-intercepts, if any, of the
graph of the function.
- $$h ( x ) = x ^ { 2 } - 4 x + 20$$

A) $x = - 2 , x = 4$
B) $x = 6 , x = - 2$
C) $x = 4 , x = - 8$
D) No real zeros or $x$ -intercepts