Nonlinear equations in one variable and systems of equations in two variables

Hard Math · Advanced Math · Nonlinear equations in one variable and systems of equations in two variables · MCQ

$\frac{14 x}{7 y} = 2 \sqrt{w + 19}$

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

A
$w = \sqrt{\frac{x}{y}} - 19$
B
$w = \sqrt{\frac{28 x}{14 y}} - 19$
C
$w = {(\frac{x}{y})}^{2} - 19$
D
$w = {(\frac{28 x}{14 y})}^{2} - 19$

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id cb_question_bank:4f8f7f96-f248-44e4-aa38-5b9173894767 · question 17d0e87d · JSON