Answer
Please see the graph.
Work Step by Step
$y=-1.5x-3$
Let $x=0$
$y=-1.5x-3$
$y=-1.5*0-3$
$y=0-3$
$y=-3$
Let $y=0$
$y=-1.5x-3$
$0=-1.5x-3$
$3=-1.5x$
$3/-1.5 =-1.5x/-1.5$
$-2 = x$
Let $x=2$
$y=-1.5x-3$
$y=-1.5*2-3$
$y=-3-3$
$y=-6$
Three points on the line are $(0,3), (-2,0),$ and $(2,-6)$.