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Math4Life Group Title

Use the graph to write an equation for the parabola. https://www.connexus.com/content/media/102877-692010-103438-PM-273481182/res00000/ppg/examview/images/mc005-1.jpg

  • 2 years ago
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  1. satellite73 Group Title
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    vertex is at the origin so it must be \[y=ax^2\] now we need \(a\) and since it looks like \[(4,4)\] i on the graph we know \[4=a\times 4^2=a\times 16\] so we get \[a=\frac{4}{16}=\frac{1}{4}\] and your equation is \[y=\frac{1}{4}x^2\]

    • 2 years ago
  2. Math4Life Group Title
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    It has to be one of these: y=-x^2/4, y=x^2/4, y=x^2/2, or y=2x^2

    • 2 years ago
  3. Math4Life Group Title
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    @satellite73 ^^^^^^^^^^^^^^^^^^^^ above

    • 2 years ago
  4. satellite73 Group Title
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    yes, it is the one i wrote

    • 2 years ago
  5. satellite73 Group Title
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    the one i wrote is one of your 4 answers

    • 2 years ago
  6. Math4Life Group Title
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    @satellite73 no it isn't i just looked

    • 2 years ago
  7. Math4Life Group Title
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    @15Trev

    • 2 years ago
  8. satellite73 Group Title
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    i wrote \[y=\frac{1}{4}x^2\] you wrote \[y=\frac{x^2}{4}\] po tay to po tah to

    • 2 years ago
  9. Math4Life Group Title
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    so its x^2/4?

    • 2 years ago
  10. satellite73 Group Title
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    yes

    • 2 years ago
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