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aliera95

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  • 9 months ago
  • 9 months ago

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  1. RadEn
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    can you check the discriminant ?

    • 9 months ago
  2. RadEn
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    discriminant (D) = b^2 - 4ac

    • 9 months ago
  3. aliera95
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    it is 0

    • 9 months ago
  4. zzr0ck3r
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    (-b+-sqrt(b^2-4ac))/2a is how we find roots you just showed that the sqrt part is 0 so you are left with -b/(2a)

    • 9 months ago
  5. zzr0ck3r
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    this is only one solution

    • 9 months ago
  6. RadEn
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    if D = 0 then it has the same roots

    • 9 months ago
  7. zzr0ck3r
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    note: if you did not get 0, then the sqrt part would have two answers because we do +-sqrt.

    • 9 months ago
  8. aliera95
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    so my answer is d) ?

    • 9 months ago
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spraguer (Moderator)
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