Question 1:

Find the equation of a line perpendicular to the line $y=-\frac{1}{3}x+9$
through (-4,-10)

Question 2:

Find the equation of a line perpendicular to the line $y=-\frac{4}{5}x+1$
through (-2,-9)

Question 3:

Find the equation of a line parallel to the line $y=2x-10$
through (8,-1)

Question 4:

Find the equation of a line parallel to the line $y=-5x-3$
through (1,-7)