Determining Solutions of Quadratic Equations Using the Discriminant

Determining Solutions of Quadratic Equations Using the Discriminant

Assessment

Interactive Video

Mathematics

8th - 12th Grade

Hard

Created by

Amelia Wright

Used 1+ times

FREE Resource

Mr. Allen introduces a quadratic equation problem, focusing on finding real or complex solutions using the discriminant. He explains the discriminant's role in determining the number of solutions and demonstrates its calculation. The result shows one real solution, which is further explained in terms of its multiplicity and graphical representation.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the problem discussed in the video?

Determining the number of solutions for a quadratic equation

Solving a system of equations

Graphing a quadratic function

Finding the roots of a linear equation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical concept is used to determine the nature of the solutions of a quadratic equation?

Completing the square

Factorization

Quadratic formula

Discriminant

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the discriminant?

a^2 - b^2

2a + b

a^2 + b^2

b^2 - 4ac

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the given quadratic equation, what is the value of 'a'?

0

1

25

10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 'b' in the quadratic equation discussed?

1

25

-10

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 'c' in the quadratic equation?

1

10

25

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of the discriminant for the given quadratic equation?

25

-100

0

100

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many real solutions does the quadratic equation have based on the discriminant value?

One real solution

Two distinct real solutions

Infinite solutions

No real solutions