Perform the Indicated Operation

question 233

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
-(3 + 7i) - (-2 + i)

• A) 5 + 6i
• B) 1 + 8i
• C) 5 - 6i
• D) -5 - 6i

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Definitions:

Upper

Often pertaining to the higher part or section of something; or can refer to a level or boundary that is more than what is typical or usual.

Population Standard Deviation

A measure of the spread of all values in a population, indicating how much the values differ from the mean of the population.

Sample

A subset of a population used for statistical analysis, selected for the purpose of making generalizations about the total population.

Estimated

An approximation or educated guess based on available data, rather than an exact measurement.