Solving Absolute value equations with a variable on both sides

Solving Absolute value equations with a variable on both sides

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

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The video tutorial explains how to handle absolute value equations by isolating the absolute value and creating two cases. It emphasizes the importance of using parentheses when negating expressions to avoid common mistakes. The tutorial provides step-by-step guidance on solving equations, ensuring the variable remains positive, and checking solutions to identify extraneous results. The instructor encourages students to practice with provided problems and collaborate for better understanding.

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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 an equation with an absolute value?

Add a constant to both sides

Multiply both sides by a variable

Isolate the absolute value

Divide both sides by a constant

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When creating the second case for an absolute value equation, what must you remember to do?

Add parentheses around the expression

Leave the expression unchanged

Negate the entire expression inside the absolute value

Multiply the expression by zero

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might you choose to switch the side of the variable when solving an equation?

To avoid using parentheses

To make the variable negative

To simplify the equation

To ensure the variable remains positive

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do after finding potential solutions to an absolute value equation?

Add them together

Multiply them by a constant

Verify by plugging them back into the original equation

Ignore them and move on

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an extraneous solution?

A solution that satisfies the equation

A solution that does not satisfy the original equation

A solution that is always positive

A solution that is always negative