How do you find the direct variation equation if y varies directly as x when #x=4#, #y=48#?
1 Answer
Mar 25, 2018
Explanation:
#"the initial statement is "ypropx#
#"to convert to an equation multiply by k the constant"#
#"of variation"#
#rArry=kx#
#"to find k use the given condition"#
#"when "x=4,y=48#
#y=kxrArrk=y/x=48/4=12#
#"equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(y=12x)color(white)(2/2)|)))#
