Question

How do you know if an equation `6x-5y=4` is a direct variation And if it is how do you find the constant of the variation?

Answer 1

See below.

Explanation:

Direct variation is expressed as:

`y=kx`

Where `k` is the constant of variation:

We have:

`6x-5y=4`

rearranging:

`y=6/5x-4/5`

So this does not represent direct variation.