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.

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Definitions:

Drunk

A state of intoxication caused by the consumption of excessive alcohol, impairing cognitive and physical functions.

Sober

Not affected by alcohol; not drunk, and more broadly, serious, sensible, and solemn.

Context-dependent Memory

The improved recall of specific episodes or information when the context present at encoding and retrieval are the same.

Underwater

Relates to being submerged or located beneath a body of water.