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Understanding Parabolas: Minimums and Maximums

Understanding Parabolas: Minimums and Maximums

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean if the coefficient of x^2 in a quadratic equation is positive?

The parabola has no vertex.

The parabola is a straight line.

The parabola opens downwards, indicating a maximum point.

The parabola opens upwards, indicating a minimum point.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the x-value of the vertex in a quadratic equation?

By using the formula C over 2a.

By using the formula B over 2a.

By using the formula A over 2b.

By using the formula B over 2c.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the x-value of the vertex if B is 6 and A is 1?

6

-6

3

-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the y-value of the vertex once you have the x-value?

By substituting the x-value into the original equation.

By adding the x-value to the original equation.

By multiplying the x-value by the original equation.

By dividing the x-value by the original equation.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ordered pair of the vertex if the x-value is -3 and the y-value is -6?

(3, 6)

(-3, -6)

(3, -6)

(-3, 6)

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