Use a Matrix Approach to Solve the System $$\left( \begin{array} { c c c c } x - 4 y & = & 11 \\4 x + 3 y & = & - 32\end{array} \right)$$

question 143

Multiple Choice

Use a matrix approach to solve the system. $$\left( \begin{array} { c c c c } x - 4 y & = & 11 \\4 x + 3 y & = & - 32\end{array} \right)$$

• A) (-5, -2)
• B) (-4, -4)
• C) (-5, -4)
• D) (-4, -2)
• E) inconsistent

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Definitions:

Phillips Curve

A concept in economics illustrating an inverse relationship between the rate of unemployment and the rate of inflation within an economy.

Sticky-wage Theory

The sticky-wage theory suggests that wages respond slowly to changes in the economy, which can lead to unemployment or labor market imbalances.

Aggregate Demand

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

Short-run Phillips Curve

A graphical representation showing the inverse relationship between the rate of unemployment and the rate of inflation in an economy over the short term.