document.write( "Question 118330: if a varies directly as band a=16 when b=-8, what is b when a=4 \n" ); document.write( "
Algebra.Com's Answer #86444 by stanbon(75887) ![]() You can put this solution on YOUR website! if a varies directly as b \n" ); document.write( "a = kb \n" ); document.write( "--------------\r \n" ); document.write( "\n" ); document.write( "and a=16 when b=-8 \n" ); document.write( "16 = k*-8 \n" ); document.write( "k = -2 \n" ); document.write( "-----------------\r \n" ); document.write( "\n" ); document.write( " what is b when a=4 \n" ); document.write( "EQUATION: \n" ); document.write( "Since a = -2b, \n" ); document.write( "4 = -2b \n" ); document.write( "b = -2 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |