Write $\sqrt { - 4 }$ In Terms of I and Simplify

question 38

Multiple Choice

Write $\sqrt { - 4 }$ in terms of i and simplify.

• A)7
• B)7+ i
• C)7 i
• D)-7 i
• E)-7

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Definitions:

Error

The difference between the observed value and the true value of a quantity.

Dependent Variable

In an experimental setting, the variable being tested and measured, presumed to change in response to variations in the independent variable.

Sample Correlation Coefficient

A numerical value that determines both the magnitude and direction of a straight-line association between two variables measured quantitatively in a given sample.

Dependent Variable

The outcome factor whose variations are studied to determine the effect of one or more independent variables.