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Haileesss

  • 3 years ago

find the vertex of y=x^2+16x+64

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  1. Azteck
    • 3 years ago
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    Use the equation to find the axis of symmetry. \[x=\frac{ -b }{ 2a }\]

  2. Goten77
    • 3 years ago
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    i would do 1st derivative test

  3. Azteck
    • 3 years ago
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    Once you've done that, substitute the x-value into the equation to find y.

  4. Haileesss
    • 3 years ago
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    okayyyy thanks guysss

  5. Azteck
    • 3 years ago
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    Yeah 1st derivative test to find the vertex. very smart....not. I don't think a question like this would require such thing.

  6. Goten77
    • 3 years ago
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    isnt the vertex just where the graph goes from increasing to decreasing.... or decreasing to increasing?

  7. Goten77
    • 3 years ago
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    so ye its minimum or maximum

  8. Azteck
    • 3 years ago
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    @Goten77 Stop waffling around.

  9. Azteck
    • 3 years ago
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    All you need for this question is finding the axis of symmetry and then subbing that value into the equation to find y.

  10. Azteck
    • 3 years ago
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    You're overcomplicating a simple question.

  11. Goten77
    • 3 years ago
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    either way takes a short time... but if he showed his teacher the calculus way... ied give him extra credit XDDDDDDDDDDD

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