Find All Real Solutions to the System of Equations Using $\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 41 \\x - y = 1\end{array}$

question 54

Multiple Choice

Find all real solutions to the system of equations using the substitution method.
- $\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 41 \\x - y = 1\end{array}$

• A)(4, -5), (5, -4)
• B)(4, 5), (5, 4)
• C)(-4, -5), (5, 4)
• D)(-4, 5), (-5, 4)

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Definitions:

Federal Budget Deficit

The financial shortfall when a government's expenditures exceed its revenues within a given fiscal year.

Aggregate Demand

The total demand for goods and services within an economy at a given overall price level and in a given time period.

Equilibrium Level

Equilibrium level refers to the state in an economy or market where supply equals demand, so there is no tendency for change.

Disposable Income

Available financial assets to households for investments and outlays after income taxes have been applied.