document.write( "Question 82663: Finding the slope of a line*\r
\n" ); document.write( "\n" ); document.write( "M=Y2 - Y1
\n" ); document.write( " ---------
\n" ); document.write( " X2 - X1 \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "A= 2,6
\n" ); document.write( "D= -3,-3 Please show how to get the answer.
\n" ); document.write( "

Algebra.Com's Answer #59281 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"m+=+%28y%5B2%5D+-+y%5B1%5D%29+%2F+%28x%5B2%5D+-+x%5B1%5D%29\"
\n" ); document.write( "A = (2,6)
\n" ); document.write( "D = (-3, -3)
\n" ); document.write( "This is just a matter of getting the subscripts right (the 1's and 2's)
\n" ); document.write( "The given points are going to end up being (\"x%5B1%5D\"),(\"y%5B1%5D\")
\n" ); document.write( "and (\"x%5B2%5D\"),(\"y%5B2%5D\").
\n" ); document.write( "You decide and either way it works.
\n" ); document.write( "A = (\"x%5B1%5D\"),(\"y%5B1%5D\")
\n" ); document.write( "D = (\"x%5B2%5D\"),(\"y%5B2%5D\")
\n" ); document.write( "That will work fine, and also
\n" ); document.write( "A = (\"x%5B2%5D\"),(\"y%5B2%5D\")
\n" ); document.write( "D = (\"x%5B1%5D\"),(\"y%5B1%5D\")
\n" ); document.write( "That works fine, too
\n" ); document.write( "I'll do it both ways to prove it
\n" ); document.write( "A = (2,6)
\n" ); document.write( "(2,6) = (\"x%5B1%5D\"),(\"y%5B1%5D\")
\n" ); document.write( "D = (-3, -3)
\n" ); document.write( "(-3, -3) = (\"x%5B2%5D\"),(\"y%5B2%5D\")
\n" ); document.write( "\"m+=+%28y%5B2%5D+-+y%5B1%5D%29+%2F+%28x%5B2%5D+-+x%5B1%5D%29\"
\n" ); document.write( "\"m+=+%28-3+-+6%29+%2F+%28-3+-+2%29\"
\n" ); document.write( "\"m+=+%28-9%29+%2F+%28-5%29\"
\n" ); document.write( "\"m+=+9%2F5\"
\n" ); document.write( "-----------------------------
\n" ); document.write( "Now the other way
\n" ); document.write( "A = (2,6)
\n" ); document.write( "(2,6) = (\"x%5B2%5D\"),(\"y%5B2%5D\")
\n" ); document.write( "d = (-3, -3)
\n" ); document.write( "(-3, -3) = (\"x%5B1%5D\"),(\"y%5B1%5D\")
\n" ); document.write( "\"m+=+%28y%5B2%5D+-+y%5B1%5D%29+%2F+%28x%5B2%5D+-+x%5B1%5D%29\"
\n" ); document.write( "\"m+=+%286+-+%28-3%29%29+%2F+%282+-+%28-3%29%29\"
\n" ); document.write( "\"m+=+%286+%2B+3%29+%2F+%282+%2B+3%29\"
\n" ); document.write( "\"m+=+9%2F5\"
\n" ); document.write( "So, you can't go wrong as long as you keep
\n" ); document.write( "straight which point is which. Hope this helps
\n" ); document.write( "
\n" );