1. find the y-intercept of the equation y= -3x -5
2. find the slope of the line that contains C(-2, -3) and D(4,1)
y axis intercept is where x = 0
y = 0 -5
now we just did slopes in the earlier problem
same deal again
(1 - -3)/ (4 - -2)
=(1+3)/(4+2)