Question

Question #3d3c1

Answer 1

`y=-3/2x+7/2`

Explanation:

first find the gradient
`m=(y2-y1)/(x2-x1)`
`m=(5-2)/(-1-1)`
`m=-3/2`
then you use `y=mx+c` with any one of the points to find c
`2=-3/2xx1+c`
`c=7/2`
therefore
`y=-3/2x+7/2`