SOLUTION: And here's another problem that i don't know the steps to solve it out. Find the equation of the perpendicular bisector of the line segment joining the points (1,2) and (3,1). G

Algebra ->  Linear-equations -> SOLUTION: And here's another problem that i don't know the steps to solve it out. Find the equation of the perpendicular bisector of the line segment joining the points (1,2) and (3,1). G      Log On


   



Question 8061: And here's another problem that i don't know the steps to solve it out.
Find the equation of the perpendicular bisector of the line segment joining the points (1,2) and (3,1). Giving the answer in the form y=mx+c.
((i know it sounds easy, all i need is its formula or the steps to solve it. And that would really help me))

Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
ok...the line required...you know nothing about it at all directly. You need to know its gradient and a point on the line. So.

1. find its gradient by finding the gradient of the line through the 2 given points. Once found, you know the gradient of the perpendicular line (don't you?).

2. find the point... it is the mid-point between the 2 given points, so figure that out.

3. find c from y=mx+c

4. you have your answer

jon.