Find the Vertex, Focus, and Directrix of the Parabola

question 57

Multiple Choice

Find the vertex, focus, and directrix of the parabola. Graph the equation.
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• A)vertex: (1, -1)focus: (1, 0)directrix: y = -2
• B)vertex: (-1, 1)focus: (-1, 2)directrix: y = 0
• C)vertex: (1, -1)focus: (2, -1)directrix: x = 0
• D)vertex: (-1, 1)focus: (0, 1)directrix: x = -2

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Definitions:

Model

In science and engineering, a model is a simplified representation of a system or phenomenon, used to simulate and analyze its behavior.

Applicable

Capable of or suitable for being applied; relevant or appropriate in a given situation.

Leverage

The use of various financial instruments or borrowed money to increase the potential return of an investment.

Linear Model

A mathematical representation of a relationship between two or more variables where the effect is proportional to the cause.