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anonymous

  • one year ago

Use the Distance Formula and the x-axis of the coordinate plane. Show why the distance between two points on a number line (the x-axis) is | a – b |, where a and b are the x-coordinates of the points.

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  1. anonymous
    • one year ago
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    is there a picture for this?

  2. anonymous
    • one year ago
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    No. Sorry.

  3. anonymous
    • one year ago
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    I'm just really confused.

  4. anonymous
    • one year ago
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    Absolute value is used because the points might be negative. For example, the distance between points -8 and 15 would be 23. This is because absolute value -8 + absolute value 15 = 23. Do you understand now?

  5. anonymous
    • one year ago
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    @Stella.anderson ?

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