Question

A line passes through the point C (-4, 10) and D ( 2, 5), Find:

a) the gradient m, of the line
b) the midpoint of the line
c) the length of the line
d) the gradient of the line
e) the equation of the perpendicular bisector of CD
f) the equation of AB which is parallel to CD and passes through the point (0, 15)

Answer 1

do you understand the problem?

Answer 2

I can't solve it without pen and paper now.