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Quadratic Vocabulary

Authored by Wayground Content

Mathematics

9th Grade

Quadratic Vocabulary
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are other names for the roots?

x-intercepts

solutions

zeros

factors

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the highest or lowest point on the parabola called?

Vertex

Focus

Axis of Symmetry

Directrix

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the discriminant tell us about a quadratic equation?

It indicates the nature of the roots by evaluating b² - 4ac.

It provides the vertex of the parabola.

It determines the axis of symmetry.

It calculates the maximum value of the quadratic function.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the standard form of a quadratic equation?

y = ax² + bx + c

y = a(x - h)² + k

y = mx + b

y = ax³ + bx² + cx + d

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the effect of changing the 'c' value in the standard form of a quadratic equation?

It shifts the parabola up or down.

It changes the width of the parabola.

It alters the direction of the parabola's opening.

It affects the x-intercepts of the parabola.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the axis of symmetry formula for a quadratic function?

x = -b/(2a)

x = b/(2a)

x = -2b/a

x = a/b

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does it mean if a parabola opens downwards?

The coefficient 'a' is positive.

The coefficient 'a' is negative.

The coefficient 'a' is zero.

The coefficient 'a' is an integer.

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