Direct variation. If y=6 when x=2/3, find x when y=12. ?
3 Answers
May 22, 2018
Explanation:
In a direct variation if y is double then x is doubled.
so
Explanation:
It is assumed that since the y is doubled, then x is doubled, so x would be
May 22, 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"#
#y=6" when "x=2/3#
#y=kxrArrk=y/x=6/(2/3)=(3xx6)/2=9#
#"equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(y=9x)color(white)(2/2)|)))#
#"when "y=12" then"#
#9x=12rArrx=12/9=4/3#