Question

Write the equation of the line in slope-intercept form (y=mx+b):

Answer 1

a = ( 0 , - 4 )

b = ( - 2 , - 2 )

`m = - (y(a) - y(b))/(x(a) - x(b)) \\`

`m \: = ( - 4 - ( - 2))/(0 - ( - 2)) \\`

`m = ( - 4 + 2)/(2) \\`

`m = ( - 2)/(2) \\`

`m = - 1`