Write the Expression in the Standard Form a + Bi $8 \mathrm { i } - ( - 3 - \mathrm { i } )$

question 142

Multiple Choice

Write the expression in the standard form a + bi.
- $8 \mathrm { i } - ( - 3 - \mathrm { i } )$

• A) \(- 3 + 7 \mathrm { i }\)
• B) \(3 + 9 \mathrm { i }\)
• C) \(3 - 7 \mathrm { i }\)
• D) \(- 3 - 9 \mathrm { i }\)

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Definitions:

Confidence Interval

A segment of values, derived from analyzing a sample, that is likely to encapsulate the value of an undisclosed population attribute.

Sample Mean

The average of a subset of a population.

Margin of Error

A measure that indicates the range of values within which the true population parameter is expected to fall.

Sample Size

The number of observations or data points collected for a study or experiment.