Solve the System by the Substitution or Elimination Method $$\left( \begin{array} { r l r } x ^ { 2 } + 4 y ^ { 2 } & = 25 \\x y & = 6\end{array} \right)$$

question 54

Multiple Choice

Solve the system by the substitution or elimination method. $$\left( \begin{array} { r l r } x ^ { 2 } + 4 y ^ { 2 } & = 25 \\x y & = 6\end{array} \right)$$

• A) \(\left( 6 , \frac { 3 } { 2 } \right) , \left( - 6 , - \frac { 3 } { 2 } \right) , ( 3,2 ) , ( - 3 , - 2 )\)
• B) \(\left( 4 , \frac { 3 } { 2 } \right) , \left( - 4 , - \frac { 3 } { 2 } \right) , ( 3,2 ) , ( - 3 , - 2 )\)
• C) \(\left( \frac { 3 } { 2 } , 4 \right) , \left( - \frac { 3 } { 2 } , - 4 \right) , ( 2,3 ) , ( - 2 , - 3 )\)
• D) \(\left( 4 , \frac { 3 } { 2 } \right) , \left( - 4 , - \frac { 3 } { 2 } \right) , ( 2,3 ) , ( - 2 , - 3 )\)
• E) \(\left( \frac { 3 } { 2 } , 4 \right) , \left( - \frac { 3 } { 2 } , - 4 \right) , ( 3,2 ) , ( - 3 , - 2 )\)

---

Definitions:

Inch Forward

To move slowly and carefully in a forward direction, often to make progress in a difficult or delicate situation.

Proximodistal

A pattern of development that moves from the center of the body outward to the extremities.

Cephalocaudal

Cephalocaudal is a principle of development that describes how growth tends to begin at the head and upper body parts and then proceeds down to the rest of the body.

Experience-Dependent

Experience-dependent refers to the concept that certain aspects of brain development, learning, and memory formation are influenced by individual encounters and interactions with the environment.