Skip to main content

Direct & Inverse Variation

8. Rational Expressions and Functions / Direct & Inverse Variation / 문제 2

문제 2

Given that $y$ varies directly as $x$ and $y equals 12$ when $x equals 4$ , find the equation relating $x$ and $y$ .

A

$y equals 4 x$

B

$y equals 36 x$

C

$y equals 3 x$

D

$y = \frac{1}{3} x$