document.write( "Question 316419: Which of the following equations is of a parabola with a vertex at (0, -3)?\r
\n" ); document.write( "\n" ); document.write( "y = (x - 3)^2
\n" ); document.write( "y = (x + 3)^2
\n" ); document.write( "y = x^2 - 3
\n" ); document.write( "y = x^2 + 3
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Algebra.Com's Answer #226333 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The equation of a parabola with vertex at is:\r
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\n" ); document.write( "\n" ); document.write( "John
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