document.write( "Question 970342: z=8 when x=2 and y=4, z varies jointly with x and y, what does the function look like? \n" ); document.write( "
Algebra.Com's Answer #592992 by rothauserc(4718) You can put this solution on YOUR website! z = k*x*y where k is the constant of proportionality \n" ); document.write( "8 = k*2*4 \n" ); document.write( "k = 1 \n" ); document.write( "therefore the equation looks like \n" ); document.write( "z = x * y \n" ); document.write( " \n" ); document.write( " |