How do you write an equation for the direct variation that includes the given point: (7, -2)?
1 Answer
Jun 17, 2017
Explanation:
"the initial statement is " ypropx
"to convert to an equation multiply by k the constant"
"of variation"
rArry=kx
"use the given point " (7,-2)" to find k"
y=kxrArrk=y/x=(-2)/7=-2/7
"the equation is " color(red)(bar(ul(|color(white)(2/2)color(black)(y=-2/7x)color(white)(2/2)|)))
