Question

Is `2x - 5y = 0` a direct variation equation and if so, what is the constant of variation?

Answer 1

Direct Variation with constant `\frac{2}{5}`

Explanation:

Convert to slope intercept form:
`2x - 5y = 0, 2x = 5y`
`\frac{5y}{5} = \frac{2x}{5}`
`y =\frac{2}{5} x`