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Lesson 1

1. Lesson 1

1.6. Explore 2

Mathematics 20-1 Module 7

Module 7: Absolute Value and Reciprocal Functions

 

Number Line

 

Any real number can be found on the real number line. The absolute value of a number is its distance from zero on the number line.

 

This shows an illustration of a number line. The increments that are shown increase from –5 to 5.

 

Try This 2

 

Answer the following questions based on the definition of absolute value.

  1. How far is the number 3 from zero on the number line?

    The absolute value of 3 is _____________ .

  2. How far is the number −3 from zero on the number line?

    The absolute value of −3 is _____________ .

  3. How far is the number a from zero on the number line?

    The absolute value of a is _____________ .

  4. How far is the number −a from zero on the number line?

    The absolute value of −a is _____________ .

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