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anonymous

  • 5 years ago

list the intercepts for 3x divided by x^2=9?

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  1. anonymous
    • 5 years ago
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    Is that \[\frac{3x}{x^2}=9\]?

  2. anonymous
    • 5 years ago
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    Whoops sorry I meant x^2+9 forgot to shift

  3. anonymous
    • 5 years ago
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    Okay so \[\frac{3x}{x^2+9}\]?

  4. anonymous
    • 5 years ago
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    yeah

  5. anonymous
    • 5 years ago
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    okay what intercepts are you finding, x and y?

  6. anonymous
    • 5 years ago
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    yeah and testing for symmetry

  7. anonymous
    • 5 years ago
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    To find the y-intercept we let x=0 y=(3*0)/(0^2+9) =0/9 =0 To find the x-intercept we let y=0 0=3x/(x^2+9) 0=3x x=0 Our y-intercept occurs at y=0 and our x-intercept occurs at x=0

  8. anonymous
    • 5 years ago
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    Here is a graph of the function http://www.wolframalpha.com/input/?i=y%3D3x%2F%28x^2%2B9%29

  9. anonymous
    • 5 years ago
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    awesome I had the y-int right I got stuck on the x-int. Thanks for showing the steps!

  10. anonymous
    • 5 years ago
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    no worries :D

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