Question

How do you write the equation of a line given (-2,-1) (4, 2)?

Answer 1

`(y+1)=1/2(x+2)`

Explanation:

`(y-y_1)=m(x-x_1)`
`m=(2+1)/(4+2)`
`m=3/6 = 1/2`
`(y+1)=1/2(x+2)`