Write the equation in standard form by completing the square to find vertex, focus and directrix

Write the equation in standard form by completing the square to find vertex, focus and directrix

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial explains how to complete the square to convert equations into conic section form. It begins with an introduction to the concept, followed by setting up the equation by arranging terms. The process of completing the square is detailed, including finding the value that completes the square. Finally, the tutorial demonstrates how to identify the vertex, focus, and directrix from the completed equation, providing a comprehensive understanding of the topic.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of completing the square in the context of conic sections?

To convert the equation into a linear form

To simplify the equation for easier calculation

To rewrite the equation in conic form

To eliminate the variable terms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When completing the square, what should you do after finding the value to add to both sides of the equation?

Subtract the same value from both sides

Add the value to one side only

Multiply the value by the coefficient of the squared term

Ensure the equation remains balanced by adding to both sides

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the process of completing the square, why can't the square be completed on the right side of the equation?

Because the right side is linear, not quadratic

Because the right side contains only constants

Because the right side is already a perfect square

Because the right side has no variable terms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the vertex of the conic section after completing the square in the given example?

(4, 0)

(2, -4)

(0, 4)

(-2, 4)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the value of 'P' affect the orientation of the conic section?

A positive 'P' opens the graph upwards

A negative 'P' opens the graph to the left

A negative 'P' opens the graph downwards

A positive 'P' opens the graph to the right