Question

How do you know if an equation represents a proportional relationship?Use the drop-down menu to show your answer.If an equation can be written in the form A.y=k+x B.y=k C.y=kx , then it shows a proportional relationship. Choose A,B,C which one is correct

Answer 1

In a proportional relationship, the two values x and y are related by a value called the constant, that is letter k.

Whatever is the value of x, you can always determine the value of y, if you multiply x by k the constant.

Hence, its

y = kx

The correct answer is option C