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anonymous

  • 5 years ago

Solve by factoring the trinomial as a binomial square and then use the square root method. Round to the nearest tenth if necessary. x2 + 16x + 64 = 81 A. {9, -9} B. {-8, 9} C. {-17, 1} D. no real solution

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  1. anonymous
    • 5 years ago
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    \[x^2+16x+64=81\] \[(x+4)^2=81\] \[x+4=9\] or \[x+4=-9\] \[x=5\] or \[x=-13\]

  2. anonymous
    • 5 years ago
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    ...... wait.... ?

  3. anonymous
    • 5 years ago
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    i am wrong sorry

  4. anonymous
    • 5 years ago
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    \[(x+8)^2=81\] \[x+8=9\] \[x+8=-9\] \[x=1\] \[x=-17\]

  5. anonymous
    • 5 years ago
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    that is what i get for rushing.

  6. anonymous
    • 5 years ago
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    Haha (: Thanks. Your so effing helpful!!!!!!!!

  7. anonymous
    • 5 years ago
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    must be getting tired.

  8. anonymous
    • 5 years ago
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    promise i will be more careful

  9. anonymous
    • 5 years ago
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    =3 Ahww! I am totally getting free answers from you!! And your totally being nice!! =3 If i didnt have a boyfriend i would stalk you .. lmfao totally kidding ^^ i just like to use my name to my advantage ^^

  10. anonymous
    • 5 years ago
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    O-o_Be-Creepy_o_O i cannot even type it. where did it come from?

  11. anonymous
    • 5 years ago
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    Haha idk i used my blonde imagination ^_^ im very creative!! (:

  12. Hero
    • 5 years ago
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    Wow, this is old

  13. Hero
    • 4 years ago
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    looks like somebody misses creepy :D

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spraguer (Moderator)
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