document.write( "Question 1031323: Write the equation of a line that goes through the points (-1,-5) and (4,10) \n" ); document.write( "
Algebra.Com's Answer #646660 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 =10 -(-5)/4 -(-1) \n" ); document.write( "gradient = 10 + 5/4 + 1 \n" ); document.write( "Gradient = 15/5 \n" ); document.write( "Gradient = 3 \n" ); document.write( "Using line equation:- \n" ); document.write( "y - b = m(x - a) \n" ); document.write( "m = 3; (4,10) = (a,b) \n" ); document.write( "y - 10 = 3(x - 4) \n" ); document.write( "y - 10 = 3x - 12 \n" ); document.write( "y = 3x - 12 + 10 \n" ); document.write( "y = 3x - 2 \n" ); document.write( "Hope this helps:-) \n" ); document.write( " |