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Parabola help

  1. Mar 23, 2010 #1
    1. The problem statement, all variables and given/known data
    What is the equation of this parabola: (10,0) ((13,27) (16,0)


    2. Relevant equations
    IDK what this is please help


    3. The attempt at a solution
    0=a(10)^2+b(10)+c
    0=100a+10b+c
    -100a-10b=c
    I'm stuck please help
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Mar 23, 2010 #2

    Mark44

    Staff: Mentor

    Use all three of your given points, not just one of them. You need three equations to be able to solve for the three unknowns.
     
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