document.write( "Question 413884: Identify the maximum or minimum (vertex), zeros, and axis of symmetry line and show the graph.\r
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Algebra.Com's Answer #290370 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi
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document.write( "Identify the maximum or minimum (vertex), zeros, and axis of symmetry lin
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document.write( "Using the vertex form of a parabola, \"y=a%28x-h%29%5E2+%2Bk\" where(h,k) is the vertex
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document.write( " y = (-1/4)x^2+2x           |Completing the square
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document.write( " y = -.25(x-4)^2 +4       |Vertex is Pt(4,4)& a Maximum as Parbola opens downward (a< 0)    x = 4, the line of symmetry
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document.write( " 0 = -.25(x-4)^2 +4      x = 4 ħsqrt(16)  x = 4 ħ4  {0,8} 
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