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document.write( "Hi
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document.write( "3x2 + 9x + 1 = 0
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document.write( "x is {-0.1156, -2.8844}
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document.write( "finding vertex by completing square
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document.write( "the vertex form of a parabola,
where(h,k) is the vertex
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document.write( "y = 3(x^2 + 3) + 1
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document.write( "y = 3[(x+3/2)^2 - 9/4] + 1
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document.write( "y = 3(x + 3/2)^2 -23/4 Vertex is Pt(-3/2,-23/4)\r
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