Identify the focus and directrix of a parabola

Identify the focus and directrix of a parabola

Assessment

Interactive Video

Mathematics, Information Technology (IT), Architecture

11th Grade - University

Hard

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The video tutorial explains the orientation of parabolas based on whether X or Y is squared, and how this affects the direction in which the graph opens. It covers identifying the vertex of a parabola and labeling it on a graph. The concept of P is introduced, explaining its role in determining the distance from the vertex to the focus. The tutorial also discusses the directrix and how the parabola opens towards the focus, providing a comprehensive understanding of graphing parabolas.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What does it mean when the graph opens up or down?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you identify the vertex of a parabola from the given information?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the value P in relation to the vertex and focus?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to determine the directrix of a parabola.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the relationship between the focus and the direction in which the parabola opens.

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