Question

What does the sign between Y and X mean?​

Answer 1

This means that y is directly proportional to x

Hope it helps :)

Answer 2

The sign between X and Y is called as proportionality.

The value of this constant is called the coefficient of proportionality or proportionality constant.

If two quantities increase or decrease with respect to other, then their relation is given by the proportionality and it is represented by

“∝”