Y varies directly with x and y = 12 when x = 4, how do you write the direct variation equation?
1 Answer
Aug 25, 2017
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"
y=12" when "x=4
y=kxrArrk=y/x=12/4=3
rArr"equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(y=3x)color(white)(2/2)|)))
