document.write( "Question 392136: Find the equation (in terms of x) of the line through the points (-5,-4) and (2,1). y=? \n" ); document.write( "
Algebra.Com's Answer #278317 by rfadrogane(214)![]() ![]() You can put this solution on YOUR website! Find the equation (in terms of x) of the line through the points (-5,-4) and (2,1). \r \n" ); document.write( "\n" ); document.write( "Sol'n: \n" ); document.write( " Solve for the slope first: \n" ); document.write( " m =(y2-y2)/(x2-x1) let P1(-5,-4) & P2(2,1). \n" ); document.write( " = (1+4)/(2+5) \n" ); document.write( " m = 5/7\r \n" ); document.write( "\n" ); document.write( "using point-slope form: \n" ); document.write( " y-y1 = m(x-x1) @ P1(-5,-4) \n" ); document.write( " y+4 = 5/7(x+5) \n" ); document.write( " 7(y+4)= 5(x+5) \n" ); document.write( " 7y+28 = 5x+25 \n" ); document.write( " 5x-7y-3 = 0 ---answer \n" ); document.write( " |