document.write( "Question 468337: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function. Help!, these are the only two I do not understand.
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Algebra.Com's Answer #321367 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Using the vertex form of a parabola,  where(h,k) is the vertex
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document.write( "f(x)= -x^2+6x+6
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document.write( "f(x)= -[(x-3)^2 -9]+6
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document.write( "f(x)= -(x-3)^2 +15  V(3,15) maximum  a = -1 a<0 Parabola opens downward
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document.write( "                    Line of symmetry x = 3\r
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document.write( "f(x)= 2-x^2
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document.write( "f(x)= -(x-0)^2 + 2  V(0,2) maximum  a = -1 a<0  Parabola opens downward
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document.write( "                    Line of symmetry x = 0  (y-axis)\r
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