An Economic Model

question 62

Multiple Choice

An economic model

• A)omits critical elements
• B)must be presented in mathematical terms
• C)simplifies reality in order to focus on its essential elements
• D)can never be proven wrong if its assumptions are realistic
• E)produces poor predictions if it includes an unrealistic assumption

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Definitions:

Expression

A combination of symbols and operators in mathematics that represents a value.

Radical Equation

An equation in which the unknown variable appears under a radical sign, requiring specific methods to isolate and solve.

Square Root

A square root of a number is a value that, when multiplied by itself, gives the original number, symbolized as √.

Radical Equation

An equation in which the variable is contained inside a radical, often a square root.