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mikaa_toxica13

  • 3 years ago

Check all polynomials that are perfect square trinomials: 49x2 − 8x + 16 4a2 − 20a + 25 25b2 − 5b + 10 16x2 − 8x + 1

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  1. BurrDaBoss
    • 3 years ago
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    B . D . ;)

  2. mikaa_toxica13
    • 3 years ago
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    can u explain

  3. BurrDaBoss
    • 3 years ago
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    4a² − 20a + 25: discriminant = (-20)² - 4(4)(25) = 0 16x² − 8x + 1: discriminant = (-8)² - 4(16)(1) = 0 The other two aren't these .

  4. BurrDaBoss
    • 3 years ago
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    Thanks ! ;)

  5. mikaa_toxica13
    • 3 years ago
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    can u help with two more ? i have to put the answers exactly right or i get it wrong

  6. BurrDaBoss
    • 3 years ago
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    Sure as long as there not as hard as the other one was . xD

  7. mikaa_toxica13
    • 3 years ago
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    Given the following perfect square trinomial, fill in the missing term. x2 − 16x + ____

  8. mikaa_toxica13
    • 3 years ago
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    even if i have the right answer, if i put in one wrong anything anywhere it will be marked as wrong :/

  9. BurrDaBoss
    • 3 years ago
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    (x−8)2=x2−16x+64 . How this ?

  10. mikaa_toxica13
    • 3 years ago
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    Given the following perfect square trinomial, fill in the missing term. (Do not type the variable in the blank.) 4x2 + ___x + 49 idk ill have to see when i submit it

  11. mikaa_toxica13
    • 3 years ago
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    wait is that teh answer itself or equation = answer

  12. BurrDaBoss
    • 3 years ago
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    Ummm , I don't know what you mean but , the answer for the first question you asked was 64 .

  13. mikaa_toxica13
    • 3 years ago
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    :/ crap. well it came up wrong :( so instead of an A i got a D. i hate those questions

  14. BurrDaBoss
    • 3 years ago
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    Noo ! i didn't answer the last one yet . It was 28 .

  15. BurrDaBoss
    • 3 years ago
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    Sorry , if I gave you a low grade .

  16. mikaa_toxica13
    • 3 years ago
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    yea i figured out the last one lol and its not your fault, its the stupid database

  17. BurrDaBoss
    • 3 years ago
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    Well , I'll just give you a medal since I feel guilty .

  18. mikaa_toxica13
    • 3 years ago
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    aw well thanks for helping.

  19. BurrDaBoss
    • 3 years ago
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    Your Welcome .

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