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 = $- 1$

Question

Quizplus · Accepted Answer

The coefficient of the squared term is 7, the coefficient of the linear term is -5, and the constant term is -1, so the equation is written in the form $7x^2 - 5x - 1 = 0$, which corresponds to choice B.

The Equation 7x2−5x−1=07 x ^ { 2 } - 5 x - 1 = 07x2−5x−1=0

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