Question

Does the equation `y = x^2` represent a direct variation and if so, identify the constant of variation?

Answer 1

This is not a direct variation.

Explanation:

Direct variation is a relationship of two variables when one variable is proportional to the other.

If an equation `y=f(x)` represents a direct variation, the equation must be the form `y=ax`.
`y=x^2` is a quadratic formula, and then, is not a direct variation.