Solving by completing the square and factoring out a two

Solving by completing the square and factoring out a two

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the process of completing the square for solving quadratic equations. It begins with the importance of having a quadratic equation and creating a perfect square trinomial. The instructor demonstrates factoring out constants and adjusting for added values to maintain equation balance. The tutorial then covers solving the equation using the square root method, emphasizing the usefulness of completing the square when equations are not easily factorable.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in completing the square for a quadratic equation?

Add a constant to both sides

Factor the quadratic term

Take the square root of both sides

Move the constant to the other side

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we create a perfect square trinomial in the process of completing the square?

To simplify the equation

To rewrite it as a binomial squared

To eliminate the quadratic term

To factor the equation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be done after forming a binomial squared to solve the equation?

Add a constant to both sides

Multiply both sides by the coefficient

Take the square root of both sides

Subtract the linear term

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in solving a quadratic equation by completing the square?

Subtract the linear term from both sides

Divide by the coefficient of the squared term

Subtract the constant term

Add the square root to both sides

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When is completing the square particularly useful?

When the equation cannot be factored

When the equation is already factored

When the linear term is zero

When the quadratic term is missing