Perform the Indicated Operation

question 157

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
-(8 - 7i) + (6 + 9i)

• A) 14 - 2i
• B) -14 - 2i
• C) 14 + 2i
• D) 2 + 16i

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Definitions:

Subcooling

Term used to describe the additional cooling of A/C refrigerant in the bottom of the condenser after it has changed from vapor to liquid below its freeze point. In physics, this is known as supercooling.

A/C System

A system in vehicles and buildings designed to cool the air, improving comfort for occupants.

Low Pressure

Refers to situations where the pressure within a system or component is below the normal operating level, potentially indicating a problem.

High Pressure

Pertains to a condition where the pressure in a system or container is significantly above atmospheric pressure, often used in hydraulic or pneumatic systems.