Solve the Equation by Using the Quadratic Formula $$y ^ { 2 } = 4 y - 9$$

question 229

Multiple Choice

Solve the equation by using the quadratic formula.
- $$y ^ { 2 } = 4 y - 9$$

• A) \(\{ 4 \pm 2 i \sqrt { 5 } \}\)
• B) \(\{ - 2 \pm i \sqrt { 5 } \}\)
• C) \(\{ 2 \pm i \sqrt { 5 } \}\)
• D) \(\{ - 4 \pm 2 i \sqrt { 5 } \}\)

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Definitions:

Variances

The difference between expected and actual figures in budgeting and financial forecasting.

Direct Labor-Hours

The complete count of hours expended by personnel directly part of the process in making a product or providing a service.

Standard Cost System

An accounting method that uses cost estimates for labor and materials to plan a budget and measure performance.

Fixed Manufacturing Overhead

Costs that do not vary with the level of production, such as rent, salaries, and insurance associated with manufacturing.