document.write( "Question 42491: Compute the value of the discriminant and give the number of real solutions to the quadratic equation \r
\n" ); document.write( "\n" ); document.write( "-4x^2+4x-1=0\r
\n" ); document.write( "\n" ); document.write( "I need to know the discriminant and the number of real solutions \n" ); document.write( "

Algebra.Com's Answer #27657 by Nate(3500) $\"\"$ $\"About$

You can put this solution on YOUR website!
-4x^2 + 4x - 1 = 0
\n" ); document.write( " $\"b%5E2+-+4ac\"$
\n" ); document.write( " $\"4%5E2+-+4%28-4%29%28-1%29\"$
\n" ); document.write( " $\"16+-+16\"$
\n" ); document.write( " $\"0\"$
\n" ); document.write( "There is only one real solution.
\n" ); document.write( " $\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+-4x%5E2+%2B+4x+-+1%29+\"$ \n" ); document.write( "

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