Question

A line that includes the points (3,0) and (6,a) has a slope of 3. What is the value of a?

Answer 1

Hey there! :D

Put it on the slope formula:m= (y2-y1)/ (x2-x1)

3= (a-0)/(6-3)

3= a-0/3

3= a/3

Multiply both sides by 3. 

a= 9

I hope this helps!
~kaikers