The Equation $7 x ^ { 2 } - 5 x - 1 = 0$

Multiple Choice

The equation $7 x ^ { 2 } - 5 x - 1 = 0$ is written in $a x ^ { 2 } + b x + c = 0$ form. What are a, b and c ?

A) a = $7$ , b = $5$ , c = $1$
B) a = $7$ , b = $- 5$ , c = $- 1$
C) a = $- 7$ , b = 0, c = $1$
D) a = $- 5$ , b = $7$ , c = $- 1$