Write the equation of a line in SLOPE-INTERCEPT FORM that goes through the point: (2,-4) and perpindicular to: y=1x1\displaystyle {y}=-{1}{x}-{1}

Equation:  

Graph the system of equations: {y=1x1y=your equation\displaystyle {\left\lbrace\begin{array}{cc} {y}=&-{1}{x}-{1}\\{y}=&\text{your equation}\end{array}\right.}

12345678910-1-2-3-4-5-6-7-8-9-1012345678910-1-2-3-4-5-6-7-8-9-10
Clear All Draw: Line