hey pf!(adsbygoogle = window.adsbygoogle || []).push({});

so my question is how cramer's rule makes sense from a geometric perspective. i'm reading the following article:

http://www.maa.org/sites/default/files/268994245608.pdf

and i am good with the logic of the entire article except one point: when they say $$x=\frac{ON}{OQ}$$ can someone please take a quick second and explain to me why this is the case? i thought from the coordinate transformation we would simply have $$x=ON$$

let me know what you think! i'd really appreciate it!

also, i do hate directing you all to another link but it is too much to put on this post, although it is pretty simple stuff.

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# Cramer's Rule and Geometry

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