Which of the following represent inverse variation? Select all that apply.
(2 points)
Responses
y=4x
y is equal to 4 over x
y=x8
y is equal to x over 8
y=−7x
y is equal to negative 7 x
xy=12
x y is equal to 12
x=9y
y is equal to 4 over x
xy=12
x=9y