# Help with Quadratic Equations Assignment.

• April 29th 2010, 07:04 PM
Help with Quadratic Equations Assignment.
http://img189.imageshack.us/img189/1...4201000001.jpg

I'm not sure how to do those last 2 questions. Help appreciated.
• April 29th 2010, 07:20 PM
Gusbob
Quote:

Originally Posted by liloldadyo
http://img189.imageshack.us/img189/1...4201000001.jpg

I'm not sure how to do those last 2 questions. Help appreciated.

5) Multiply both sides by $x^2 -2$ and then move all the terms to one side. There is a solution if the directrix is positive.

6) Assign variables b,d to BM and DN. Note that the area of a square is A = length squared = 36. So length of any one side is 6.

Now express the area of the triangles in terms of b and d, then compare the them.
• April 29th 2010, 07:25 PM