Question

What is the value of ‘a’ if (5, 3a-9) is a point on the X-axis?
a) -5 b) - 3 c) 5 d) 3​

Answer 1

Answer:

D) 3

Step-by-step explanation:

As the point is on X axis , the y coordinate should be 0.

So,

→3a-9=0

→3a=9

→a=9/3

→a=3