Saturday, February 20, 2016

equation of a parallel line

<iframe width="560" height="315" src="https://www.youtube.com/embed/5LaqiGBvi54" frameborder="0" allowfullscreen></iframe>
Posted by at 1 comment:
An SAT type math question
https://www.youtube.com/watch?v=Tn-b-HbJsE8
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