Use the Quadratic Formula to Solve the Equation $x ^ { 2 } - 5 x + 4 = 0$

Multiple Choice

Use the quadratic formula to solve the equation.
- $x ^ { 2 } - 5 x + 4 = 0$

A) $- 4,1$
B) $- 4 , - 1$
C) 4,1
D) 4,0