document.write( "Question 392244: determine the value of r so that a line through the points with the coordinates (r,4) and (-2,3) has slope 1/4\r
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\n" ); document.write( "\n" ); document.write( "PLEASE HELP FASTT !! THANKYOUU(:
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Algebra.Com's Answer #278411 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

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\n" ); document.write( "Using the point-slope formula, \"m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29\"
\n" ); document.write( " (r,4) and (-2,3)
\n" ); document.write( "Applying the point-slope formula***
\n" ); document.write( " m = (3-4 ) /( -2-r) = 1/4
\n" ); document.write( " \"%283-4+%29+%2F%28+-2-r%29+=+1%2F4\" |cross multiplying to solve for r
\n" ); document.write( " (-2-r) = 4(3-4)
\n" ); document.write( " -2-r = -4
\n" ); document.write( " 2 = r\r
\n" ); document.write( "\n" ); document.write( "CHECKING our Answer***
\n" ); document.write( " -1/-4 = 1/4 \n" ); document.write( "
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