Decide If the System of Equations in Two Variables Is $$\left\{ \begin{array} { l } x y = - 7 \\x + 9 y = 5\end{array} \right.$$

question 18

Multiple Choice

Decide if the system of equations in two variables is linear or nonlinear.
- $$\left\{ \begin{array} { l } x y = - 7 \\x + 9 y = 5\end{array} \right.$$

• A) Nonlinear
• B) Linear

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