document.write( "Question 586261: The square of y varies inversely as x and directly as z. If y = 3 when x = 12 and z = 21, find y when x = 8 and z = 28. \n" ); document.write( "
Algebra.Com's Answer #373683 by scott8148(6628) You can put this solution on YOUR website! x * y^2 = k * z\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "12 * 3^2 = k * 21 ___ (12 * 9) / 21 = k ___ 36/7 = k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "8 * y^2 = (36/7) * 28 \n" ); document.write( " |