document.write( "Question 990987: Is 9x+11zy=12y linear? And write it in standard form \n" ); document.write( "
Algebra.Com's Answer #610920 by Edwin McCravy(20059)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "9x+11zy = 12y\r\n" ); document.write( "\r\n" ); document.write( "No, that's not linear because it is of degree 2 since it has a term \r\n" ); document.write( "in which 2 letters are multiplied together, z and y.\r\n" ); document.write( "\r\n" ); document.write( "A linear equation can have no letters multiplied together such as x2, xy, etc. \r\n" ); document.write( "\r\n" ); document.write( "In standard form it is solved for y:\r\n" ); document.write( "\r\n" ); document.write( "9x+11zy = 12y\r\n" ); document.write( "\r\n" ); document.write( "9x = 12y-11zy\r\n" ); document.write( "\r\n" ); document.write( "9x = y(12-11z)\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |