Find the Sum or Difference $$7 \sqrt { 2 } - ( 2 \sqrt { 2 } + i ) + 5 i - ( - 3 \sqrt { 2 } + 5 i )$$

question 339

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $$7 \sqrt { 2 } - ( 2 \sqrt { 2 } + i ) + 5 i - ( - 3 \sqrt { 2 } + 5 i )$$

• A) \(8 \sqrt { 2 } + i\)
• B) \(8 - 9 \mathrm { i } \sqrt { 2 }\)
• C) \(8 \sqrt { 2 } - \mathrm { i }\)
• D) \(- 8 - 9 \mathrm { i } \sqrt { 2 }\)

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Definitions:

Surety Agreement

A contract where one party (surety) guarantees the performance or obligations of a second party (principal) to a third party (obligee).

Collateral

A borrower's asset that is given to a lender to secure the repayment of a loan.

Default

The failure to fulfill an obligation, especially failing to pay back a loan on time.

Surety

is a person or entity that takes responsibility for another's performance, such as fulfilling the terms of a contract or repaying a loan.