document.write( "Question 1012975: Find the slope of the line that contains the following pair of points. (2, 4) and (0, 8)\r
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Algebra.Com's Answer #629108 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Gradient = y2-y1/x2-x1 \n" ); document.write( "= 8-4/0-2 = 4/-2 \n" ); document.write( "Gradient = -2 \n" ); document.write( "Using the equation of the line \n" ); document.write( "y - b = m(x - a) \n" ); document.write( "with \n" ); document.write( "m = -2 \n" ); document.write( "(a,b) either use (2,4) or (0,8) \n" ); document.write( "y - 4 = -2(x - 2) \n" ); document.write( "y - 4 = -2x + 4 \n" ); document.write( "y = -2x + 4 + 4 \n" ); document.write( "y = -2x + 8 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |