Finding Absolute Values of Rational Numbers

This video tutorial explains the concept of absolute value, which is the distance of a number from zero on a number line. It provides examples with both positive and negative numbers, demonstrating that absolute value is always positive. The tutorial also covers special cases like zero, decimals, fractions, and variables, emphasizing that the absolute value of any number or expression is its non-negative distance from zero.

What is the absolute value of a number primarily concerned with?

• The sign of the number

• The distance from zero

• The number's position on the left of zero

• The number's position on the right of zero

If a number is -4, what is its absolute value?

• -4

• 0

• 8

• 4

Why is the absolute value of a number always positive?

• Because distance cannot be negative

• Because zero is always positive

• Because it is a rule in mathematics

• Because negative numbers do not exist

What is the absolute value of 0?

• 0

• 1

• -1

• Undefined

How do you find the absolute value of a variable like -X?

• It is the positive value of X

• It is always zero

• It is always negative

• It cannot be determined