Simplify Write Your Answer in the Form a + Bi $$( - 8 + 4 \mathrm { i } ) + ( 11 + 4 \mathrm { i } )$$

question 27

Multiple Choice

Simplify. Write your answer in the form a + bi, where a and b are real numbers.
- $$( - 8 + 4 \mathrm { i } ) + ( 11 + 4 \mathrm { i } )$$

• A) \(- 3 + 8 \mathrm { i }\)
• B) \(3 + 8 \mathrm { i }\)
• C) \(3 + 12 \mathrm { i }\)
• D) \(11 + 8 \mathrm { i }\)

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Definitions:

Interest

Money paid regularly at a particular rate for the use of money lent or for delaying the repayment of a debt.

Invested

Funds or resources allocated for the purpose of generating income or profit.

Interest

The amount paid by a borrower to a lender over a period of time for the use of money, expressed as a percentage of the principal.

Months

Units of time in calendars that approximately correspond to the period of the Earth moving in its orbit around the Sun, usually divided into 12 periods in a year.