Positive or Negative........
I think...
Chat with our AI personalities
Two variables, X and Y, are in direct variation if Y = kX for some constant k. The graph of Y as a function of X will be a straight line through the origin.
A direct variation (!) or direct reelationship.
No. The origin must be a solution for any direct variation.
No. It is a single number. For a direct variation you need a minimum of two pairs of ordered numbers.
Direct variation.