Question:
Mark against the correct answer in each of the following:
The equation of a plane through the point $A(1,0,-1)$ and perpendicular to the line $\frac{x+1}{2}=\frac{y+3}{4}=\frac{z+7}{-3}$ is
A. $2 x+4 y-3 z=3$
B. $2 x-4 y+3 z=5$
C. $2 x+4 y-3 z=5$
D. $x+3 y+7 z=-6$
Solution: