document.write( "Question 898668: Determine the gradients of the lines that pass through the following points: (1;-3) (3;1) \n" ); document.write( "
Algebra.Com's Answer #544942 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "\"m+=%28y%5B1%5D+-+y%5B2%5D%29%2F%28x%5B1%5D+-+x%5B2%5D+%29\"
\n" ); document.write( " (1,-3)
\n" ); document.write( " (3, 1) m(the gradient) = -4/-2 = 2 \n" ); document.write( "
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