Parallel and Perpendicular Lines

Question 1:

Find the equation of a line parallel to the line y =3x-9
through (8,5)
y =3 x−19

Question 2:

Find the equation of a line perpendicular to the line y =-2x+2
through (-9,3)
y = 1 2 x+ 15 2

Question 3:

Find the equation of a line perpendicular to the line y =− 2 5 x-3
through (10,-7)
y = 5 2 x−32

Question 4:

Find the equation of a line parallel to the line y =4x+2
through (-5,1)
y =4 x+21