Reduce the following equation into slope - intercept form and find their slopes and the $y$ - intercepts. $x+7y=0$

Question

$\begin{array}{1 1}(A)\;m = \large\frac{1}{7} ; c = 0 \\(B)\; m = -\large\frac{1}{7}; c = 0 \\(C)\; m = 7 ; c = 0 \\(D)\;m = -7 ; c = 0 \end{array}$