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anonymous

  • one year ago

I need to find the equation of a parabola using the points (5,2) (6,1) (4,1). I need it in ax^2+bx+c. I have no clue how to do it. Please help..

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  1. Rizags
    • one year ago
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    Which of those 3 do you think is the vertex?

  2. anonymous
    • one year ago
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    The vertex is (5,2). I am trying to use it on geoegbra

  3. anonymous
    • one year ago
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    Do you have a graph to show or no?

  4. anonymous
    • one year ago
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    It may be the vertex but idk

  5. anonymous
    • one year ago
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    Yes I will post a picture. One second

  6. anonymous
    • one year ago
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    ok

  7. anonymous
    • one year ago
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    Do you know that these points are (x,y) points respectively. So you can substitute in the three points so that you get three equations in three unknwons. For example!e the first eqn is: 1=a*(4^2) + b (4) + c Just follow the same logic and solve for a,b,c in whatever system you get

  8. anonymous
    • one year ago
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    James it will not let me post a picture

  9. anonymous
    • one year ago
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    If you want a picture I'll have to email it to you

  10. anonymous
    • one year ago
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    ok my email is tjsimmons2015@gmail.com

  11. anonymous
    • one year ago
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    I sent it

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spraguer (Moderator)
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