Find the Modulus and the Argument for the Complex Number $z = - 15$

question 2

Multiple Choice

Find the modulus and the argument for the complex number. $z = - 15$

• A) \(r = - 15 , \theta = \pi / 2\)
• B) \(r = 15 , \theta = \pi\)
• C) \(r = 15 i , \theta = 0\)
• D) \(r= 15 ^ { 2 } , \theta = \pi\)
• E) \(r = 1 , \theta = 3 \pi / 2\)

Analyze the daily movement of stock prices and compute net changes.

Compute the amount allocated to preferred stockholders when a company declares dividends.

Calculate the gain or loss from the sale of stocks, considering purchase and sale prices along with commission charges.

Determine the total amount paid to common stockholders when dividends are declared.

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Definitions:

Aggregate Output

The total value of all goods and services produced in an economy over a specific time period.

Aggregate Supply

The total supply of goods and services that firms in an economy plan on selling during a specific time period at given prices.

Price Level

A measure of the average prices of goods and services in an economy at a given time.

Real GDP

Gross Domestic Product adjusted for inflation, measuring the value of all goods and services produced over a specific time frame.