← 根式与有理指数 · 题库挑战

ONE QUESTION, ONE STEP

ZX-05E20BDB9F

one variable and systems of equations in two variables · 第 15 题

one variable and systems of equations in two variables · 原库模块 1 · Q15 原库参考解析

\( \frac{14x}{7y}=2\sqrt{w+19} \) 

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