MM
Mashaal Masha
Feb 20, 2024
$$\frac{14x}{7y}=2\sqrt{w+19}$$

The given equation relates the distinct positive real numbers $w$, $x$, and $y$. Which equation correctly expresses $w$ in terms of $x$ and $y$?
Difficulty: Hard
A:

$w=\sqrt{\frac{x}{y}}-19$

B:

$w=\sqrt{\frac{28x}{14y}}-19$

C:

$w=\left(\frac{x}{y}\right)^{2}-19$

D:

$w=\left(\frac{28x}{14y}\right)^{2}-19$

ID: 65d4ed84dbc6daab1c022671