Quadratic Equations and Their Properties

Quadratic Equations and Their Properties

Assessment

Interactive Video

Mathematics

8th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to solve the quadratic equation 4x^2 - 12x + 9 = 0 using the quadratic formula. It identifies the coefficients, substitutes them into the formula, and simplifies the expression to find the solution. The tutorial highlights the discriminant's role and interprets the solution as a double root, indicating a perfect square trinomial. The video concludes by mentioning that another example will be covered in the next video.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the coefficients A, B, and C in the quadratic equation 4x^2 - 12x + 9 = 0?

A = 4, B = -12, C = 9

A = 4, B = 12, C = -9

A = -4, B = 12, C = 9

A = 4, B = -12, C = -9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step after identifying the coefficients in solving a quadratic equation using the quadratic formula?

Performing calculations

Graphing the equation

Substituting the coefficients into the formula

Finding the roots directly

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the discriminant in the quadratic formula for the equation 4x^2 - 12x + 9 = 0?

8

0

144

12

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified solution for the equation 4x^2 - 12x + 9 = 0?

x = 3/2

x = 12/8

x = 4/3

x = 2/3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean when a solution is described as real and rational?

The equation has no real roots

The solution can be expressed as a fraction

The equation is not factorable

The solution is an imaginary number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a perfect square trinomial?

A trinomial with imaginary roots

A trinomial that is a square of a binomial

A trinomial with no real solutions

A trinomial that cannot be factored

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean for a solution to have a multiplicity of 2?

The solution is repeated twice

The solution is unique

The solution is complex

The solution is irrational

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another term for a solution with a multiplicity of 2?

Double root

Single root

Quadruple root

Triple root

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be covered in the next video?

Graphing linear equations

A new example of solving a quadratic equation

The history of quadratic equations

Advanced calculus concepts