Solve the Equation by Completing the Square $$x ^ { 2 } - 4 x - 45 = 0$$

question 433

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } - 4 x - 45 = 0$$

• A) \(\{ \pm 3 i \sqrt { 5 } \}\)
• B) \(\{ - 40 , - 5 \}\)
• C) \(\{ 9 , - 5 \}\)
• D) \(\{ - 9,5 \}\)

Comprehend the utilization of different distributions (normal, t, chi-square) in inferential statistics.

Estimate population variance and standard deviation using confidence intervals from sample data.

Apply hypothesis testing to real-world scenarios, including claims about population variance and means.

Identify the appropriate sampling distribution for making inferences about population parameters.

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Definitions:

Preference Shares

A type of share that typically grants its holders priority over ordinary shareholders in receiving dividends and upon liquidation of the company's assets.

Financial Liability

Obligations a company owes to another entity, which could be in the form of loans, bonds payable, or other types of debt.

Compound Financial Instrument

A financial instrument that has both a debt and equity component and may be convertible into shares of the issuing company.