Find All Solutions for the System $\left\{ \begin{array} { l } x y = 4 \\x ^ { 2 } + y ^ { 2 } = 8\end{array} \right.$

question 90

Essay

Find all solutions for the system. $\left\{ \begin{array} { l } x y = 4 \\x ^ { 2 } + y ^ { 2 } = 8\end{array} \right.$

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Definitions:

Common Stock

Common stock is a form of corporate equity ownership, a type of security representing an ownership interest in a corporation.

Par

The face value of a bond or the stock value stated on the certificate, unrelated to its market value.

State Charter

A legal document issued by a state that grants rights, privileges, and operating terms to a corporation.

Authorized Stock

This refers to the maximum number of shares that a corporation is legally permitted to issue, as specified in its articles of incorporation.