Describe how to find the focus of a parabola based on its vertex and the value of A.
Converting a parabola to vertex form and then finding the focus and directrix
Interactive Video
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Mathematics
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11th Grade - University
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Hard
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The video tutorial covers how to write a quadratic equation in standard form, find the axis of symmetry, vertex, and direction of opening for a parabola. It further explores calculating the focus, directrix, and latus rectum using the method of completing the square. The tutorial provides a step-by-step approach to understanding these concepts, ensuring a comprehensive review of the material.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the formula for the directrix of a parabola, and how is it derived?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to calculate the lattice rectum of a parabola.
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