Solve the System by the Substitution Method $$\begin{array} { l } x y = 42 \\x ^ { 2 } + y ^ { 2 } = 85\end{array}$$

question 31

Multiple Choice

Solve the system by the substitution method.
- $$\begin{array} { l } x y = 42 \\x ^ { 2 } + y ^ { 2 } = 85\end{array}$$

• A) \(\{ ( 6,7 ) , ( - 6 , - 7 ) , ( 7,6 ) , ( - 7 , - 6 ) \}\)
• B) \(\{ ( - 6 , - 7 ) , ( - 7 , - 6 ) , ( - 6,7 ) , ( - 7,6 ) \}\)
• C) \(\{ ( 6,7 ) , ( 7,6 ) , ( 6 , - 7 ) , ( 7 , - 6 ) \}\)
• D) \(\{ ( 6,7 ) , ( - 6 , - 7 ) , ( 6 , - 7 ) , ( - 6,7 ) \}\)

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Definitions:

The First Chicago Method

A valuation approach that estimates the value of a project or investment by using a combination of multiples and net present value of future cash flows.

Users of Capital

Individuals or entities that borrow or utilize funds to finance their operations, investments, or other expenditures in pursuit of generating returns or growth.

Suppliers of Capital

Entities or individuals that provide financial resources to other entities in exchange for financial returns.

Contradictory Goals

Objectives within an organization or project that are at odds with each other, making it difficult or impossible to achieve them simultaneously.