Given that y varies directly with x, and x = 5, y = -30, how do you write a direct variation equation that relates x and y?
1 Answer
Jun 19, 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"
x=5,y=-30
y=kxrArrk=y/x=(-30)/5=-6
"the equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(y=-6x)color(white)(2/2)|)))
