Question

Which is an equation of the line that passes through the points (-6,-8) and (4,-4)

Answer 1

y=
`(2)/(5)`x-6.5

Explanation:

`((-8)-(-4))/((-6)-4) \\` =
`(-4)/(-10)` =
`(2)/(5\\)`

y=mx+b

-8 = (
`(2)/(5)`) (-6) +b

-8 = -
`(12)/(8)` +b

b= -6.5