document.write( "Question 535540: Find an eqution of the line containg the given pair of points.
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document.write( "(-1,-2) and (-3,-7)
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document.write( "The eqution of the line in slope-intercept form is y= \n" );
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Algebra.Com's Answer #351934 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x1 y1 x2 y2 \n" ); document.write( "-1 * -2 -3 -7 \n" ); document.write( " \n" ); document.write( "slope m = (y2-y1)/(x2-x1) \n" ); document.write( "( -7 - -2 )/( -3 - -1 ) \n" ); document.write( "( -5 / -2 ) \n" ); document.write( "m= 5/ 2 \n" ); document.write( " \n" ); document.write( "Plug value of the slope and point ( -1,-2) in \n" ); document.write( "Y = m x + b \n" ); document.write( "-2.00 = -5/2 + b \n" ); document.write( "b= -2 - 5/2 \n" ); document.write( "b= -9/ 2 \n" ); document.write( "So the equation will be \n" ); document.write( "Y = 5/2 x -9/2 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |