document.write( "Question 1063337: Find the coordinates of the points of intersection of y= 2/x -5 and y= 4x +2 \n" ); document.write( "
Algebra.Com's Answer #678421 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the coordinates of the points of intersection of y= 2/x -5 and y= 4x +2 \n" ); document.write( "-------------- \n" ); document.write( "Solve:: \n" ); document.write( "2/x - 5 = 4x+2 \n" ); document.write( "---------------------- \n" ); document.write( "Multiply thru by \"x\" to get: \n" ); document.write( "2 - 5x = 4x^2 + 2x \n" ); document.write( "------ \n" ); document.write( "4x^2 + 7x - 2 = 0 \n" ); document.write( "----- \n" ); document.write( "4x^2 +8x -x - 2 = 0 \n" ); document.write( "4x(x+2)-(x+2) = 0 \n" ); document.write( "(x+2)(4x-1) = 0 \n" ); document.write( "------ \n" ); document.write( "x = -2 or x = 1/4 \n" ); document.write( "---------------- \n" ); document.write( "Solve for \"y\" if y = 4x+2 \n" ); document.write( "If x = -2, y = -6 \n" ); document.write( "If x = (1/4), y = 3 \n" ); document.write( "Ans:: (-2,-6) and (1/4,3) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-----------\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |