document.write( "Question 480718: I do not understand this at all. This is not my best subject and I need help please Using the Discriminant Test, what would be your conclusion about the number and nature of the roots of this quadratic equation?\r
\n" ); document.write( "\n" ); document.write( "3x2 - 5x – 2 = 0 \n" ); document.write( "

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I do not understand this at all. This is not my best subject and I need help please Using the Discriminant Test, what would be your conclusion about the number and nature of the roots of this quadratic equation?
\n" ); document.write( "3x2 - 5x – 2 = 0
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\n" ); document.write( "For given equation:
\n" ); document.write( "a=3, b=-5, c=-2
\n" ); document.write( "discriminant=b^2-4ac=25-4*3*-2=25+24=49
\n" ); document.write( "In this case, the discriminant is a non=zero positive perfect square, therefore, the solution are two unequal real numbers, rational or integers. For given problem, x=-b±√49=5±7=12 or -2
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\n" ); document.write( "If the discriminant is a positive nonperfect square, the solution would be two unequal irrational numbers.
\n" ); document.write( "..
\n" ); document.write( "If the discriminant is negative, the solution would be nonreal numbers, called imaginary numbers. \n" ); document.write( "

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