document.write( "Question 1197812: Find the value(s) of b that will cause the equation 4x^2 +bx +4 to have one $\"highlight%28cross%28equation%29%29\"$ solution. \n" ); document.write( "

Algebra.Com's Answer #831229 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "(1)   See how I edited your post, which originally came non-sensical.\r
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\n" ); document.write( "\n" ); document.write( "(2)   Use the condition that the discriminant of the equation is zero.\r
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\n" ); document.write( "\n" ); document.write( "ANSWER.   b = 8   or   b = -8.\r
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