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Hazzar

  • 3 years ago

Write each function in vertex form, and identify its vertex. Plz show steps! f(x)=x^2+24x+138

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  1. anilorap
    • 3 years ago
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    for the vertex we need a pair (x,y) to find x we have a formula x=-b+2a

  2. anilorap
    • 3 years ago
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    lets identify a and b a is the coefficient of x^2 thats is 1 and be is the coefficient of x that is 24

  3. anilorap
    • 3 years ago
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    x=-24/2(1) x=-24/2 x=-12

  4. anilorap
    • 3 years ago
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    then to find y we plug -12 in the equation (-12)^2+24(-12)+138

  5. anilorap
    • 3 years ago
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    can u guess the answer?

  6. Hazzar
    • 3 years ago
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    Yeah. Y would be -6

  7. anilorap
    • 3 years ago
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    good

  8. anilorap
    • 3 years ago
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    so your vertex will be (-12,-6)

  9. Hazzar
    • 3 years ago
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    Oh, great thanks!

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