document.write( "Question 1128412: Determine the slope of the line that passes through the points (-6, -4) and (7, -5)
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Algebra.Com's Answer #744878 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "In opposite to tutor @greenestamps, I recommend you ALWAYS use the formula\r\n" );
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document.write( "    m = \"%28y2-y1%29%2F%28x2-x1%29\" = \"%28-5+-+%28-4%29%29%2F%287-%28-6%29%29\" = \"%28-5%2B4%29%2F%287%2B6%29\" = \"-1%2F13\"\r\n" );
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document.write( "to calculate the slope and do not afraid to substitute negative numbers and calculate fractions.\r\n" );
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\n" ); document.write( "\n" ); document.write( "The only case when it doesn't work is when x1 = x2.\r
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\n" ); document.write( "\n" ); document.write( "Then the line is VERTICAL and the slope is not defined.\r
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\n" ); document.write( "\n" ); document.write( "It is how each and every educated student must do it.\r
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\n" ); document.write( "\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Find the slope of a straight line in a coordinate plane passing through two given points\r
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