Question 694349
use point slope form: 
y-y1=slope(x-x1) slope of parallel lines are equal so the slope is 1/2. x1 and y1 are the point coordinates (6,2)

y-2=1/2(x-6) times both sides by 2 to get rid of fraction
2y-4=x-6 add 4 to both sides
2y=x-2 divide by 2

y=1/2x-1

since it's the same equation there are no lines parallel, because the original line passes through (6,2)

If you wanted a perpendicular line going through (6,2) you would do the same thing except use -2 for the slope.