document.write( "Question 924850: what is the vertex form of the function y=3x^2-12x+17?
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Algebra.Com's Answer #561129 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "finding the vertex form of a Parabola opening up(a>0) or down(a<0),
\n" ); document.write( "\"y=a%28x-h%29%5E2+%2Bk\"
\n" ); document.write( "y = ax^2 + bx + c ⇒ y = a(x -(-b/2a)^2) - a(-b/2a)^2 + c
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\n" ); document.write( "y=3x^2-12x+17 format ax^2 + bx + c
\n" ); document.write( "Note: \"-%28-12%2F%282%2A3%29%29\" = 2
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\n" ); document.write( "y = 3(x-2)^2 -12 + 17
\n" ); document.write( "y = 3(x-2)^2 + 5
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