Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 4 \\x + y = 2\end{array} \right.$$

question 119

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 4 \\x + y = 2\end{array} \right.$$

• A) x = 0, y = 0; x = 2, y = -2
• B) x = 0, y = -2; x = -2, y = 0
• C) x = 2, y = -2; x = -2, y = -2
• D) x = 0, y = 2; x = 2, y = 0

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A calculated mean that represents the per-year interest rate over the term of a loan or investment.

4 Year Returns

The total profit or loss on an investment over a period of four years.

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The rate of interest before adjustments for inflation or other factors that affect the true cost of borrowing or the real yield on an investment.

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The actual interest rate on an investment or loan, taking into account the effect of compounding over a given period of time.