Factoring out a GCF then solving using the square root method

Factoring out a GCF then solving using the square root method

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to solve quadratic equations using the square root method. It begins with an introduction to the problem-solving approach, followed by factoring and simplifying the equation by identifying the greatest common factor (GCF). The tutorial then demonstrates solving the equation using inverse operations and applying the square root method to find solutions. Finally, it covers rationalizing the denominator to obtain an exact solution.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a quadratic equation using the square root method?

Factoring out the greatest common factor

Multiplying both sides by a constant

Graphing the equation

Adding a constant to both sides

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After factoring out the GCF, what should you do next in solving the equation?

Subtract the GCF from both sides

Set the equation equal to zero

Add the GCF back to the equation

Multiply both sides by the GCF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is used to isolate the variable in the equation 3 = 2X^2?

Subtraction

Addition

Division

Multiplication

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to introduce both the positive and negative square roots when solving an equation?

To ensure the solution is positive

To account for both possible solutions

To simplify the equation further

To eliminate the variable

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of rationalizing the denominator in the final solution?

To make the solution easier to approximate

To eliminate the square root

To convert the solution into a decimal

To obtain an exact answer