Decide if the system of equations in two variables is linear or nonlinear.
-$$\left\{ \begin{array} { l }
x ^ { 3 } + 2 x = y \
x + 7 y = 4
\end{array} \right.$$
A) Nonlinear
B) Linear

Question

Decide if the system of equations in two variables is linear or nonlinear.
-$$\left\{ \begin{array} { l } 
x ^ { 3 } + 2 x = y \
x + 7 y = 4
\end{array} \right.$$
A) Nonlinear
B) Linear

Quizplus · Accepted Answer

The first equation contains a term with a power of 3, which makes it nonlinear. The second equation is linear because it only contains terms with a power of 1. Therefore, the system as a whole is nonlinear.

Decide If the System of Equations in Two Variables Is {x3+2x=yx+7y=4\left\{ \begin{array} { l } x ^ { 3 } + 2 x = y \\x + 7 y = 4\end{array} \right.{x3+2x=yx+7y=4​

Decide If the System of Equations in Two Variables Is $\left\{ \begin{array} { l } x ^ { 3 } + 2 x = y \\x + 7 y = 4\end{array} \right.$