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) \(r = 1 , \theta = 3 \pi / 2\)

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Definitions:

Real Rate Of Return

The rate of return on an investment after adjusting for inflation, providing a clearer picture of the investment's true profitability.

Probability Range

The spread between values within which a random variable is expected to fall with a certain probability.