Find the Product and Write the Result in Standard Form $$( 8 + 9 i ) ( 4 - i ) - ( 1 - i ) ( 1 + i )$$

question 264

Multiple Choice

Find the product and write the result in standard form.
- $$( 8 + 9 i ) ( 4 - i ) - ( 1 - i ) ( 1 + i )$$

• A) \(39 + 28 \mathrm { i }\)
• B) \(43 + 28 \mathrm { i }\)
• C) \(41 + 28 \mathrm { i }\)
• D) \(39 + 44 \mathrm { i }\)

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Definitions:

Quarters

One-fourth portions of a whole, commonly used to divide years or financial results.

Pennies

The smallest denomination of currency in many countries, typically worth one-hundredth of the basic unit of currency.

Algebraic Expression

A combination of numbers, variables, and mathematical operators that represents a mathematical relationship or rule.

Annual Sales

The total revenue generated from goods or services sold by a company during a fiscal year.