document.write( "Question 755311: Determine the value(s) of t if P(-3;7), Q(5;-9) and R (-2;t ) are co-linear. \n" ); document.write( "
Algebra.Com's Answer #459606 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
collinear lines have the same slope so...\r
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\n" ); document.write( "\n" ); document.write( "\"%0D%0A%0D%0Am=%28-9-7%29%2F%285-%28-3%29%29=%28t-7%29%2F%28-2-%28-3%29%29%0D%0A\"\r
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\n" ); document.write( "\n" ); document.write( "which gives us t=5\r
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\n" ); document.write( "\n" ); document.write( "graphing is actually much easier, but relies on precision and accuracy\r
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