\[(y-y_{1})=m(x-x_1)\]
\[gradient\]
\[coordinates\ \\ on\ line\]
\[y=mx+c\]
\[graph\]
\[(y-1)=3(x+2)\]
\[3\]
\[(-2,1)\]
\[y=3x+7\]
(0, 7) (-7/3, 0)
\[(y-2)= \frac{1}{4}(x-3)\]
\[\frac{1}{4}\]
\[(3,2)\]
\[y=\frac{1}{4}x + \frac{5}{4}\]
(-5, 0) (0, 5/4)
\[(y-1)= \frac{1}{2}(x+2)\]
\[\frac{1}{2}\]
\[(-2,1)\]
\[y= \frac{1}{2}x+2\]
(4, 0) (0, 2)