document.write( "Question 1023479: Find the equation for a line which passes through the points (1, 8) and (4, –1) . Write the
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document.write( "equation in slope-intercept form\r
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document.write( "kindly please help me with this \n" );
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Algebra.Com's Answer #638991 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Gradient = y2 - y1/x2 - x1 \n" ); document.write( "Gradient = -1 - 8/4 - 1 \n" ); document.write( "Gradient = -9/3 \n" ); document.write( "Gradient = -3 \n" ); document.write( "Using line equation \n" ); document.write( "y - b = m(x - a) \n" ); document.write( "m = -3 (a, b) = (1, 8) \n" ); document.write( "y - 8 = -3(x - 1) \n" ); document.write( "y - 8 = -3x + 3 \n" ); document.write( "y = -3x + 3 + 8 \n" ); document.write( "y = -3x + 11 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |