Question

What is the point slope form of a line with a slope 4/5 that contains the point (-2,1)

Answer 1

`Use:\ y-y_1=m(x-x_1)`


`We\ have:\\\\m=(4)/(5)\\\\(-2;\ 1)\to x_1=-2\ and\ y_1=1`


`Substitute:\\\\y-1=(4)/(5)(x-(-2))\\\\\boxed{B.\ y-1=(4)/(5)(x+2)}`