document.write( "Question 730729: how many real solutions are there to the equation shown below?\r
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document.write( "x^2+2x+6=0 \n" );
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Algebra.Com's Answer #853013 by ikleyn(53419) You can put this solution on YOUR website! . \n" ); document.write( "how many real solutions are there to the equation shown below?\r \n" ); document.write( "\n" ); document.write( "x^2+2x+6=0 \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "To answer this question, calculate the discriminant of the equation \r\n" ); document.write( "\r\n" ); document.write( " d = b^2 - 4ac, referring to the general form ax^2 + bx + c = 0.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The discriminant is \r\n" ); document.write( "\r\n" ); document.write( " d = 2^2 - 4*1*6 = 4 - 24 = -20.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The discriminant is negative - - - so, this equation has no real solutions.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. The number of real solutions is 0 (zero).\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is how such questions should be treated.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The answer in the post by @lynnlo is incorrect, \n" ); document.write( "so and therefore, ignore his post.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |