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Absolute Value

Absolute Value

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Absolute Value

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  1. Absolute Value 2-1-2

  2. Distance • A distance is never zero

  3. Number line • How far is 3 from zero? • How far is -3 from zero?

  4. |x| the absolute value of x • |3| asks how far from zero is 3? • |-5| asks how far from zero is -5?

  5. Absolute Value • Always gives a positive answer. • If there is arithmetic inside the absolute value symbol do that first, then take the absolute value of the answer.