y varies directly as x. If y = 10 when x = 5, what is the constant of variation?
Note
For direct variation, y = kx. Substitute the given values: 10 = k × 5. Therefore k = 10 ÷ 5 = 2.
y varies directly as x. If y = 10 when x = 5, what is the constant of variation?
For direct variation, y = kx. Substitute the given values: 10 = k × 5. Therefore k = 10 ÷ 5 = 2.