Understanding Absolute Value Equations

The video tutorial explains how to solve an equation involving absolute values. It begins by introducing the problem and rewriting the equation to emphasize the absolute value terms. The instructor then simplifies the equation by moving terms to one side and solving for the absolute value expression. Ultimately, it is shown that the equation has no solution because the absolute value cannot be negative.

What is the first step in solving an equation with absolute values?

• Multiply both sides by a constant

• Rewrite the equation to highlight the absolute value

• Divide both sides by a constant

• Add a constant to both sides

What is the key to solving an equation with absolute values?

• Adding random numbers to both sides

• Solving for the absolute value expression first

• Ignoring the absolute value

• Multiplying by zero

How can you move terms involving absolute values to one side of the equation?

• Divide them by a constant

• Subtract them from both sides

• Multiply them by zero

• Add them to both sides

What should you do after isolating the absolute value expression?

• Add 10 to both sides

• Subtract 4 from both sides

• Multiply by 2

• Simplify the equation

Tags

CCSS.7.NS.A.1C

What happens when you subtract 6 apples from 4 apples?

• You have 10 apples

• You have 2 apples

• You have 0 apples

• You have -2 apples

Tags

CCSS.6.EE.B.7

What analogy is used to explain subtracting terms in the equation?

• Subtracting money

• Subtracting apples

• Subtracting cars

• Subtracting books

What is the result of dividing both sides of an equation by a negative number?

• The equation remains unchanged

• The equation becomes positive

• The signs of the equation terms are reversed

• The equation becomes zero

Why can't the absolute value of an expression be negative?

• Because absolute values are always positive or zero

• Because absolute values can be any real number

• Because absolute values are always negative

• Because absolute values are undefined

What is the result when the absolute value of x plus 10 equals negative 3?

• There is a solution

• There is no solution

• The solution is positive

• The solution is zero

Tags

CCSS.8.EE.C.7A

What is the final conclusion about the equation?

• It has multiple solutions

• It has infinite solutions

• It has no solution

• It has one solution

Tags

CCSS.8.EE.C.7A