document.write( "Question 1010618: (1,7)(6,r) how to find the missing coordinate r? \n" ); document.write( "
Algebra.Com's Answer #626093 by ikleyn(52817)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Do these points lie in one straight line?\r
\n" ); document.write( "\n" ); document.write( "Does this straight line pass through the origin of the coordinate system?\r
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\n" ); document.write( "\n" ); document.write( "Why do not say it explicitly and directly?\r
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