document.write( "Question 253299: Which statement must be true if a parabola represented by the equation y = ax^2 + bx + c does not intersect the x-axis?\r \n" );
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document.write( "b^2 – 4ac = 0 \n" );
document.write( "b^2 – 4ac < 0 \n" );
document.write( "b^2 – 4ac > 0, and b^2 – 4ac is a perfect square. \n" );
document.write( "b^2 – 4ac > 0, and b^2 – 4ac is not a perfect square \n" );
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