Question

Which of the following equations is not an example of a direct variation?
y=- 1 over 2x
x-2y=0
y=2x
x+y=1

Answer 1

the first one is an example of inverse variation.

Answer 2

thank you

Answer 3

You welcome!

Answer 4

Also the last is not an example of direct variation.

Answer 5

a) inverse variation (also not direct variation)
b) direct variation
c) direct variation
d) indirect variation