Give the Focus, Directrix, and Axis for the Parabola

question 81

Multiple Choice

Give the focus, directrix, and axis for the parabola.
-A cross-section of an irrigation canal is a parabola. If the surface of the water is 48 ft wide and the canal is 7 ft deep at the center, how deep is it 24 ft from the edge?

• A) 0 ft
• B) 1.8 ft
• C) 5.2 ft
• D) 7 ft

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Definitions:

Hypermorphs

Genetic mutations that result in increased gene expression or activity compared to the wild-type allele.

Hypomorphs

Mutated genes that produce a less active product than the normal gene.

Positive Instances

Examples or cases that confirm or support a particular rule or concept.

Heuristics

Mental shortcuts or rules of thumb that simplify decision making.