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A problem related to coordinate geometry.

Posted April 7th, 2008 by alpha
in

Determine the ratio in which the line 2x+y-4=0 divides the line segment joining the points A(2,-2) and B(3,7).

‹ find the length of AC Find the coordinates of the centre of a circle passing through the given points. ›

Comments

Answer

On April 8th, 2008 Structure says:

Let g(x)=4-2x and f the linear function passing by the two points
We have g(2)=0 and g(3)=-2
Ratio=

$$\frac{g(2)-f(2)}{f(3)-g(3)}=\frac{2}{9}$$

Who is Structure?

On April 25th, 2008 Arturo.Valdivia says:

Structure, are you the webmaster?
I'm looking for the webmaster but I don't know where to find his email.
Sorry everybody for this misplaced post; is just that I did't find another place to put it.

email for webmaster

On April 25th, 2008 Structure says:

Here is the mail:

office [at] 9math.com

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