Question

I need help with this please!!

Answer 1

(-6,0)

Intersecting at x-axis means that the point at which it will intersect will have a x coordinate but no y coordinate.

So,In the equation,y=-3x-18

put y=0

-3x-18=0

or,3x=-18

or,x=-6

So,the point of intersection is (-6,0)