Understanding Parabolas

Understanding Parabolas

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the focus in a parabola?

It is the endpoint of the parabola.

It is a special point inside the parabola.

It is a point outside the parabola.

It is the midpoint of the parabola.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the distance 'p' between the vertex and the focus determined?

By the length of the parabola.

By the width of the parabola.

By the coordinates of the vertex.

By the direction from the vertex to the focus.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the parabola if 'p' is positive?

The parabola becomes a straight line.

The parabola opens to the left.

The parabola opens upward.

The parabola opens downward.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the directrix in relation to a parabola?

A vertical line inside the parabola.

A horizontal line that the parabola never crosses.

A diagonal line through the vertex.

A line that intersects the focus.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the equation of a parabola change when it opens left or right?

The equation becomes linear.

The equation becomes a circle.

The x and y variables switch places.

The equation remains the same.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a parabola that opens left or right, what does a positive 'p' indicate?

The parabola opens upward.

The parabola opens downward.

The parabola opens to the left.

The parabola opens to the right.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the directrix in a parabola?

It is the lowest point of the parabola.

It is the axis of symmetry.

It is a boundary line that the parabola never crosses.

It is the highest point of the parabola.

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