Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } x y - x ^ { 2 } = - 20 \\x - 2 y = 3\end{array} \right.$$

question 148

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } x y - x ^ { 2 } = - 20 \\x - 2 y = 3\end{array} \right.$$

• A) \(x = - 5 , y = - 1 ; x = 8 , y = \frac { 11 } { 2 }\)
• B) \(x = - 5 , y = - 1 ; x = \frac { 11 } { 2 } , y = 8\)
• C) \(x = 5 , y = 1 ; x = - \frac { 11 } { 2 } , y = - 8\)
• D) \(x = 5 , y = 1 ; x = - 8 , y = - \frac { 11 } { 2 }\)

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Definitions:

Abdominal Aorta

The major blood vessel in the abdomen that supplies blood to the lower part of the body.

Gastric Artery

Any of the arteries supplying blood to the stomach, vital for providing the necessary oxygen and nutrients for gastric function.

Ductus Arteriosus

A fetal blood vessel connecting the pulmonary artery to the aortic arch, allowing most of the blood to bypass the fetus's developing lungs.

Foramen Ovale

An opening in the septum between the two atria of the heart in the fetus, which normally closes soon after birth.