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shreenithaa

  • one year ago

HELP! Explain why you reverse the inequality sign when you multiply or divide both sides of an inequality by a negative number.

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  1. shreenithaa
    • one year ago
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    i just need the explanation

  2. amistre64
    • one year ago
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    hmm, what would you expect to happen when you reverse the direction of a number?

  3. shreenithaa
    • one year ago
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    you would expect it to go to the opposite side?

  4. amistre64
    • one year ago
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    lets see -3 < 5 but when we multiply both sides by a negative, we are reversing the order of the number, instead of 3 to the left, -(-3) is 3 to the right instead of 5 to the right, -(5) is 5 to the left 3 < -5 is simply not accurate

  5. shreenithaa
    • one year ago
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    ooooh thnx

  6. amistre64
    • one year ago
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    when we 'switch' the direction of the number, the direction of the inequality is affected. we can make one rule and say it works for the = sign as well ... seeing that reversing an = sign just produces the same symbol again.

  7. shreenithaa
    • one year ago
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    that makes more sence i know how to do it but i just needed the explanation thank you

  8. amistre64
    • one year ago
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    good luck :)

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