document.write( "Question 61866: The vertices of a triangle are P (-1,-1) Q(2,1) and R (3,-1). Find the equation of the altitude of the triangle PQR from Q. \n" ); document.write( "
Algebra.Com's Answer #42671 by checkley71(8403)\"\" \"About 
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the equation for the verticle line from Q is x=2
\n" ); document.write( "this solution is easily obtained by graphine the three points and drawing the altitude from Q.
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