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countrygirl1431

  • one year ago

Solve |x| = -15 { } {-15} {-15, 15}

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  1. whovianchick
    • one year ago
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    x=-15 x=15, so C

  2. whovianchick
    • one year ago
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    If there's absolute value bars, that means whatever's inside it equals the negative and positive versions of the other side of the equation. So, that means the positive version and negative version of -15, which are -15 and 15

  3. countrygirl1431
    • one year ago
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    Solve |x| = 10 {-10 < x < 10} {-10, 10}*** {10}

  4. whovianchick
    • one year ago
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    So it'd be C. -10, 10 Good job! I saw your little *** I assume you mean you think it's right?

  5. countrygirl1431
    • one year ago
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    yeah

  6. phi
    • one year ago
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    |x| = -15 you might remember that | any number| will be 0 or positive (the absolute value sign makes whatever is inside positive) so you have the problem of what positive number = - 15 guess what? there isn't one.

  7. whovianchick
    • one year ago
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    There isn't one what?

  8. whovianchick
    • one year ago
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    Wait no you're right there's no solution because the absolute value of x would have to be positive I'm super sorry @countrygirl1431 Give the medal to @phi he/she totally caught my mistake

  9. countrygirl1431
    • one year ago
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    so would it just be 10 @whovianchick

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