document.write( "Question 118443: What is the transformational form of y= -1/3x^2+3x-1 ?
\n" ); document.write( " I got -3(y+23/4) =(x+9/2)^2 It was marked wrong :( \n" ); document.write( "

Algebra.Com's Answer #86804 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
given:
\n" ); document.write( " $\"y=+-%281%2F3%29x%5E2%2B3x-1\"$ \r
\n" ); document.write( "\n" ); document.write( "Find: Transformational Form
\n" ); document.write( " $\"%281%2Fa%29%28y+-+k%29+=+%28x+-+h%29%5E2\"$ \r
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\n" ); document.write( "\n" ); document.write( "Since Standard Form is:
\n" ); document.write( " $\"y+=+a%28x-h%292%2Bk\"$
\n" ); document.write( "Where ( $\"h\"$ and $\"k\"$ ) are vertex coordinates, we will find vertex first:\r
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Solved by pluggable solver: Completing the Square to Get a Quadratic into Vertex Form

\n" ); document.write( " Error: the leading coefficient \"a\" cannot be equal to zero.
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\n" ); document.write( "\n" ); document.write( "Transformational Form ,
\n" ); document.write( " $\"%281%2Fa%29%28y+-+k%29+=+%28x+-+h%29%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( "Since $\"a+=+-1%2F3\"$
\n" ); document.write( " $\"h+=9%2F2+\"$ }
\n" ); document.write( " $\"k+=+23%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( "then
\n" ); document.write( " $\"1%2F%28-1%2F3%29%28y+-+23%2F4%29+=+%28x+-+9%2F2%29%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28-3%29%28y+-+23%2F4%29+=+%28x+-+9%2F2%29%5E2\"$
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