document.write( "Question 128430: Given 3x^2+(k+2)x=-3, determine the value(s) of k so that the equation has real and equal roots. \n" ); document.write( "

Algebra.Com's Answer #94000 by stanbon(75887) $\"\"$ $\"About$

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Given 3x^2+(k+2)x=-3, determine the value(s) of k so that the equation has real and equal roots.
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\n" ); document.write( "The discriminant must be zero.
\n" ); document.write( "b^2-4ac = (k+2)^2-4*3*3 = 0
\n" ); document.write( "(k+2)^2 = 36
\n" ); document.write( "k+2 = 6 or k+2 = -6
\n" ); document.write( "k = 4 or k = -8
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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