document.write( "Question 624521: find the vertex, line of symmetry, min or max and graph. f(x)=-2x^2+2x+1 \n" ); document.write( "

Algebra.Com's Answer #392800 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "find the vertex, line of symmetry, min or max and graph. 
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document.write( "f(x)= -2x^2+2x+1        |Completing square y = ax^2 + bx + c   ⇒ y = a(x -(-b/2a)^2) - a(-b/2a)^2 + c
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document.write( "f(x)= -2(x-1/2)^2 + 1/2 +1
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document.write( "  V(1/2,3/2,maximum   -2<0, parabola opens downward along x =.5
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document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0),  
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document.write( "where(h,k) is the vertex  and  x = h  is the Line of Symmetry
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document.write( "The standard form is , where  the focus is (h,k + p)\r
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document.write( "the vertex form of a Parabola opening right(a>0) or left(a<0),  
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document.write( "where(h,k) is the vertex and  y = k  is the Line of Symmetry
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document.write( "The standard form is , where  the focus is (h +p,k )
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