How do you determine whether #xy=1/4# is an inverse or direct variation?
1 Answer
Sep 7, 2017
Explanation:
#"the direct variation equation is "#
#•color(white)(x)y=kxlarr" k is constant of variation"#
#rArrk=y/x#
#"the inverse variation equation is"#
#•color(white)(x)y=k/x#
#rArrk=xy#
#"thus "xy=1/4" represents inverse variation"#