Question

What is the costant of proportionality in the equation y=2.5x

Answer 1

`k=2.5`

Explanation:

`y \propto x`

`y=kx`

`k` is the proportionality constant.

`y=2.5x`

The
`y` is the independent variable and
`x` is the dependent variable.

The proportionality constant is
`2.5`.