Aline passes through the points (-1,-4) and (-2,0). what is the equation of this line?

y = -4x -8

Step-by-step explanation:

The slope is given by  

m = (y2-y1)/(x2-x1)

m = (0--4)/(-2--1)

  = (0+4)/(-2+1)

  =4/-1

 = -4

We know the point slope form of a line is

y-y1 = m(x-x1)

y-0 = -4( x--2)

y = -4(x+2)

y = -4x -8

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are