Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 169 \\x + y = 17\end{array} \right.$$

question 77

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 169 \\x + y = 17\end{array} \right.$$

• A) \(x = 12 , y = 5 ; x = 5 , y = 12\)
• B) \(x = 12 , y = - 5 ; x = 5 , y = - 12\)
• C) \(x = - 12 , y = 5 ; x = - 5 , y = 12\)
• D) \(x = - 12 , y = - 5 ; x = - 5 , y = - 12\)

---

Definitions:

Supply Function

A mathematical representation showing the relationship between the quantity of a good that producers are willing to sell and the price of that good.

Groschens

Historically, small coins used in various European countries, symbolizing a small amount of currency.

Coconuts

A large, nutritious tropical fruit with a hard shell, edible white flesh, and clear liquid inside, often used in food and beverages.

Supply

The total amount of a specific good or service that is available to consumers, often influenced by factors such as price, production costs, and market demand.