You can
put this solution on YOUR website!The vertical intercept will be -6. To find horizontal intercept create a table of values based on y=3x-6 replacing x with a series of numbers e.g.
x y
-3 3x-3-6 -15
-2 3x-2-6 -12
-1 3x-1-6 -9
0 3x0-6 -6
1 3x1-6 -3
2 3x2-6 0
3 3x3-6 3
Plotting these points will give horizontal (x) intercept of 2