Question

Is 3x−6y=0 a direct variation?

Answer 1

Yes. Every time

x

increases of one unit

y

increases of a fixed amount equal to

1

2

.

If you separate

y

on one side and

x

on the other you'll find:

6

y

=

3

x

and:

y

=

3

6

x

or

y

=

1

2

x