document.write( "Question 110730: Determine whether the line through p1 (1,-2) and p2(4,-3) is parallel to the line through q1 (4,3) and q2 (7,4) \n" ); document.write( "
Algebra.Com's Answer #80692 by jim_thompson5910(35256)\"\" \"About 
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Find the slope through p1 (1,-2) and p2(4,-3)\r
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Solved by pluggable solver: Finding the slope

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\n" ); document.write( " Slope of the line through the points (1, -2) and (4, -3)
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\n" ); document.write( " \"m+=+%28y%5B2%5D+-+%28y%5B1%5D%29%29%2F%28x%5B2%5D+-+x%5B1%5D%29\"
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\n" ); document.write( " \"m+=+%28-3+-+%28-2%29%29%2F%284+-+1%29\"
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\n" ); document.write( " \"m+=+%28-3+%2B+2%29%2F%284+-+1%29\"
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\n" ); document.write( " \"m+=+%28-1%29%2F%283%29\"
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\n" ); document.write( " Answer: Slope is \"m+=+-1%2F3\"
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\n" ); document.write( "\n" ); document.write( "Now find the slope through q1 (4,3) and q2 (7,4)\r
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Solved by pluggable solver: Finding the slope

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\n" ); document.write( " Slope of the line through the points (4, 3) and (7, 4)
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\n" ); document.write( " \"m+=+%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29\"
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\n" ); document.write( " \"m+=+%284+-+3%29%2F%287+-+4%29\"
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\n" ); document.write( " \"m+=+%281%29%2F%283%29\"
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\n" ); document.write( " Answer: Slope is \"m+=+1%2F3\"
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\n" ); document.write( "\n" ); document.write( "Since the slopes are not equal, the slopes are not parallel.
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