How do you determine whether the equation $7 x + 2 y = 0$ $7x + 2y = 0$ represents a direct variation and if it does, how do you find the constant of variation?

Question

5866 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-04-17T22:51:20

7x + 2y = 0
2y = -7x --> y = -7/2 *(x).
This is a direct variation. The constant of variation is (-7/2).

How do you determine whether the equation 7x + 2y = 07x+2y=07x + 2y = 0 represents a direct variation and if it does, how do you find the constant of variation?