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) \(\left( \frac { 3 } { 2 } , 4 \right) , \left( - \frac { 3 } { 2 } , - 4 \right) , ( 3,2 ) , ( - 3 , - 2 )\)

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Definitions:

Lacteal

Lymphatic vessel in the wall of the small intestine that carries chyle from the intestine and absorbs fat.

Blood Capillaries

Tiny blood vessels that form a network to distribute oxygen and nutrients to tissues while removing carbon dioxide and waste products.

Microvilli

Tiny, finger-like projections on the surface of some epithelial cells that increase surface area for absorption.

Mucosa

The moist, inner lining of some organs and body cavities, such as the nose, mouth, lungs, and stomach, involved in absorption and secretion.