Understanding Absolute Value

This video tutorial introduces the concept of absolute value, explaining it as the distance of a number from zero and emphasizing that it is always positive. The instructor provides a series of examples, starting with basic calculations and progressing to more complex expressions. The video concludes with a preview of the next topic, which will cover solving absolute value equations.

What is the formal definition of absolute value?

• The difference between a number and zero

• The product of a number and zero

• The sum of a number and zero

• The distance a number is from zero

How is the absolute value of a negative number expressed?

• As a negative number

• As a positive number

• As zero

• As an imaginary number

What is the absolute value of -3?

• 6

• 3

• 0

• -3

If you have the expression |3 - 5|, what is the result?

• 2

• 8

• -2

• 0

What is the absolute value of 5 - 3?

• -2

• 0

• 2

• 5

In the expression |3 - 5| - |5 - 3|, what is the result?

• 4

• -2

• 2

• 0

How do you simplify the expression 3 * |7 - 9|?

• -6

• 3

• 6

• 0

What is the result of |3 - 6| squared?

• 3

• 6

• 9

• 12

What is the final result of the expression 3 * |7 - 9| - |3 - 6|^2?

• 3

• 0

• -3

• 6

What topic will be covered in the next video?

• Solving absolute value equations

• Graphing absolute values

• Multiplying absolute values

• Dividing absolute values