Gradient of the line formed; m=[tex] \frac{change in y}{change in x} [/tex] m=[tex] \frac{-2-1}{6--5} [/tex] m=[tex] \frac{-3}{11} [/tex] y=mx+c y=[tex] \frac{-3}{11} x+c[/tex] Replacing for x and y; 1=-3/11*(-5)+c 1=15/11+c c=1-15/11 c=-4/11 y=[tex] \frac{-3}{11} x- \frac{4}{11} [/tex]