Question

Learn with an example
In a direct variation, y = 15 when x = 5. Write a direct variation equation that shows the
relationship between x and y.
Write your answer as an equation with y first, foshwed by an equals sign.

Answer 1

Answer:

y = 3x

Step-by-step explanation:

The general direct variation equation is y = kx.

If y = 15 when x = 5, then 15 = 5k and k = 3.

Then the specific direct variation equation is y = 3x