How do you write a direct variation equation if y varies directly with x and y = 10 when x = 2?
1 Answer
Jun 12, 2018
Explanation:
#"the initial statement is "ypropx#
#"to convert to an equation multiply by k the constant"#
#"of variation"#
#y=kx#
#"to find k use the given condition"#
#y=10" when "x=2#
#y=kxrArrk=y/x=10/2=5#
#"equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(y=5x)color(white)(2/2)|)))#
