You isolate the variable (a)
-3a = -18
/-3
a = 6
(-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)
Answer:
2/9^8
Step-by-step explanation:
3^0 = 1 so it turns into 9^-8/ 2^-1
Then put 9^-8 on the bottom to make it positive
Now its 1/9^8 & 2^-1
Then put 2 on top to make it positive and 2^1 is just 2
So now you have 2/9^8
