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Find the point on the curve y=√(4x) that is closest the the point (3,0)

  1. Apr 14, 2010 #1

    mg2

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    1. The problem statement, all variables and given/known data
    Find the point on the curve y=√(4x) that is closest the the point (3,0)


    2. Relevant equations



    3. The attempt at a solution
    I don't even know where to start.
     
  2. jcsd
  3. Apr 14, 2010 #2

    Dick

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    What's the distance between (x,sqrt(4x)) and (3,0)?
     
  4. Apr 14, 2010 #3

    mg2

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    It wasnt given. The only thing given was the point, and the equation.
     
  5. Apr 14, 2010 #4

    Dick

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    No, no. In general, what's the distance between two points (a,b) and (c,d)? Use a general distance formula. You don't have to be given the formula.
     
    Last edited: Apr 14, 2010
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