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| Question 252662:  Write the equation of the quadratic function with roots 0 and 2 and a vertex at (1, 5).
 
 
 Answer by Alan3354(69443)
      (Show Source): 
You can put this solution on YOUR website! y = x*(x-2) gives the 2 roots, but the vertex is below the x-axis. y = -x*(x-2) inverts it.
 y = -x^2 + 2x gives the 2 roots, but the vertex is at 1,1.
 Multiply it by 5:
 y = -5x^2 + 10x works
 
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