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Analytic geometry.

  1. Jul 21, 2010 #1
    1. The problem statement, all variables and given/known data
    In the figure, the orange line and the green line are perpendicular and intersect on the x-axis.Find the coordinates of P.

    http://tinypic.com/r/2wn7m2v/3 go here for the image please.


    2. Relevant equations
    slope-point formula, m1*m2=-1 FOR PERPENDICULAR LINES


    3. The attempt at a solution
    I found the slope of the orange line and also for the other line.
    the point there is (0,y).Which is the y-intercept.
     
  2. jcsd
  3. Jul 21, 2010 #2

    statdad

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    Homework Helper

    What kind of triangle is formed by the figure? What can you do with that information? (I'm trying to give a hint for one approach - there are certainly others).
     
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