Chapter 8 - Section 8.1 - Review of Equations of Lines and Writing Parallel and Perpendicular Lines - Exercise Set - Page 572: 13

-$\frac{1}{2}$x-y = 5

(-2;-4),(-4;-3) m=$\frac{-3+4}{-4+2}$=$\frac{1}{-2}$ slope - $\frac{1}{2}$ , through (-2;-4) y-$y_{1}$=m(x-$x_{1}$) y+4=-$\frac{1}{2}$(x+2) y+4=-$\frac{1}{2}$x-1 4+1=-$\frac{1}{2}$x-y 5= -$\frac{1}{2}$x-y