Find the Focus, Directrix, and Focal Diameter of the Parabola $5 x ^ { 2 } - 10 y = 0$

question 10

Essay

Find the focus, directrix, and focal diameter of the parabola $5 x ^ { 2 } - 10 y = 0$ , and sketch its graph.

---

Definitions:

Investment

The act of allocating resources, usually money, in the expectation of generating an income or profit.

Absorption Costing

A financial recording technique that entails incorporating all costs associated with manufacturing, whether they are fixed or variable, into the product's pricing.

Selling Price

The amount of money charged for a product or service, typically enough to cover costs and generate profit.

Required Return

The expected gain or loss on an investment over a specified period, factoring in both the risk and the time value of money.