1) we find out the equation of the line.
Given a point (x₀,y₀) and the slope m, the slope-point form is:
y-y₀=m(x-x₀)
Data:
(3,4)
m=6
Therefore:
y-4=6(x-3)
y-4=6x-18
y=6x-18+4
y=6x-14
2) we find out y, when x=27
y=6*(27)-14
y=162-14
y=148
Answer: When x=27, then y=148.