Find the Vertex, Focus, and Directrix of the Parabola $$y ^ { 2 } - 2 y - 20 x + 81 = 0$$

question 128

Short Answer

Find the vertex, focus, and directrix of the parabola.
$$y ^ { 2 } - 2 y - 20 x + 81 = 0$$

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Definitions:

Sensitivity Analysis

A technique in financial modeling used to determine how different values of an independent variable affect a particular dependent variable under a given set of assumptions.

Variable Costs

Costs that vary directly with the level of production or volume of sales, such as materials and labor.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums, providing stability to a company's expense structure.

Depreciation Expense

The allocated amount of the cost of an asset that is written off as an expense over its useful life.