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tyty Group Title

Solve |2y - 2| = 15

  • 3 years ago
  • 3 years ago

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  1. myininaya Group Title
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    2y-2=15 or 2y-2=-15 solve both for y

    • 3 years ago
  2. lilg132 Group Title
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    8.5

    • 3 years ago
  3. lilg132 Group Title
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    i thought you cant have an abosolute value that = to a negative number?

    • 3 years ago
  4. myininaya Group Title
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    we have |something|=positive

    • 3 years ago
  5. myininaya Group Title
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    not |something|=negative

    • 3 years ago
  6. lilg132 Group Title
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    but you wrote or 2y-2=-15 ?

    • 3 years ago
  7. myininaya Group Title
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    \[2y=17 => y=\frac{17}{2}\] \[2y=-13 => y=\frac{-13}{2}\] i wrote that because we have|something|=positive gives us two cases

    • 3 years ago
  8. lilg132 Group Title
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    oh ok but if it is |something| = negative then we have no soloution right?

    • 3 years ago
  9. myininaya Group Title
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    right!

    • 3 years ago
  10. lilg132 Group Title
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    thanks for that was abit confused

    • 3 years ago
  11. myininaya Group Title
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    tomas yes you can probably have several i know for a fact you can have two i don't think there is a limit

    • 3 years ago
  12. myininaya Group Title
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    |f(x)|>=0 so thats why |f(x)| can not have negative output

    • 3 years ago
  13. lilg132 Group Title
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    ok thanks :)

    • 3 years ago
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