document.write( "Question 360280: find an equation of the line containing the given pair of points.\r
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document.write( "(1/4,-1/2) and (3/4, 3 )\r
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document.write( "what is the equation of the line\r
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document.write( "y= \n" );
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Algebra.Com's Answer #257160 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! First, determine slope of: \n" ); document.write( "(1/4,-1/2) and (3/4, 3 ) \n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( "m = (y2-y1)/(x2-x1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = (3-(-1/2))/((3/4)-(1/4))\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = (3+1/2)/(3/4-1/4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = (6/2+1/2)/(3/4-1/4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = (5/2)/(2/4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = (5/2)/(1/2)\r \n" ); document.write( "\n" ); document.write( "m = 5 \n" ); document.write( ". \n" ); document.write( "Now, take the slope (5) and use one of the two points (3/4, 3 ) and plug it into the \"point-slope\" form: \n" ); document.write( "y - y1 = m(x - x1) \n" ); document.write( "y - 3 = 5(x - 3/4) \n" ); document.write( "y - 3 = 5x - 15/4 \n" ); document.write( "y = 5x - 15/4 + 3 \n" ); document.write( "y = 5x - 15/4 + 12/4 \n" ); document.write( "y = 5x - 3/4 (this is what they're looking for) \n" ); document.write( " |