Solve the Equation for X $\left| \begin{array} { r r r } 0 & 0 & x \\ - 4 & x & - 4 \\ 1 & 1 & x \end{array} \right| = 4$

question 115

Multiple Choice

Solve the equation for x.
- $\left| \begin{array} { r r r } 0 & 0 & x \\ - 4 & x & - 4 \\ 1 & 1 & x \end{array} \right| = 4$

• A) \(\{ 5 \}\)
• B) \(\{ 2 \}\)
• C) \(\{ - 2 \}\)
• D) \(\varnothing\)

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Definitions:

Consumption

The act of utilizing economic goods to satisfy needs or desires.

Revealed Preferred

A theory in economics that preferences of consumers can be understood from their purchasing habits and choices, as observed from actual market behavior.

WARP

The Weak Axiom of Revealed Preference, a concept in microeconomics that asserts if a consumer prefers bundle A over bundle B when both are affordable, then the consumer will not choose B over A when B's price decreases making it more affordable.

Bundle

A group or collection of items that are offered together as a single package.