Solve a quadratic by applying the square root method

Solve a quadratic by applying the square root method

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial demonstrates solving equations with fractions using inverse operations and the square root method. It begins by introducing a problem involving fractions and explains the process of setting the equation to zero. The instructor then shows how to apply inverse operations to isolate the variable, including multiplying by the reciprocal. Finally, the square root method is used to solve for the variable, emphasizing the importance of considering both positive and negative roots.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to include problems with fractions when learning the square root method?

Fractions are not relevant to the square root method.

Fractions make the problems easier to solve.

Fractions are a common part of many equations.

Fractions simplify the square root process.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the inverse operation of subtracting 1/2 in the given equation?

Adding 1/2

Subtracting 2/3

Dividing by 1/2

Multiplying by 1/2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you handle the operation of dividing by 2/3 in the equation?

Subtract 2/3

Multiply by the reciprocal of 2/3

Add 2/3

Multiply by 2/3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of taking the square root of both sides of the equation?

X = sqrt(3) / 2

X = 2 / sqrt(3)

X = 3 / sqrt(4)

X = sqrt(3) / 4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to consider both positive and negative solutions when taking the square root?

Negative solutions are not valid.

To ensure all possible solutions are considered.

It simplifies the equation.

Because the square root is always positive.