Find the Real Zeros, If Any, of Each Quadratic Function $$f ( x ) = 5 x ^ { 2 } - 28 x - 12$$

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.
- $$f ( x ) = 5 x ^ { 2 } - 28 x - 12$$

A) $x = - \frac { 2 } { 5 } , x = 6$
B) $x = - \frac { 4 } { 5 } , x = 12$
C) $x = - 2 , x = 6$
D) $x = \frac { 2 } { 5 } , x = - 6$