Question

Which equation of a line represents a proportional relationship between x and y?A.y = 5xB.y = 5x -5y = 5D.y = 5x + 5

Answer 1

We are different kind of variation in mathematice. We have the direct, inverse, joint and partial variation.

For direct variation, increase in a variable x leads to increase in the other variable y and vice versa.

Let y and x be t