document.write( "Question 742457: Use the quadratic formula. 1/2x^2+2x-7=0 \n" ); document.write( "

Algebra.Com's Answer #452537 by checkley79(3341) $\"\"$ $\"About$

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1/2x^2+2x-7=0
\n" ); document.write( "x^2/2+2x-7=0
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(-2+-sqrt(2^2-4*.5*-7))/2*.5
\n" ); document.write( "x=(-2+-sqrt(4+14)/1
\n" ); document.write( "x=(-2+-sqr18)
\n" ); document.write( "x=-2+-4.2426
\n" ); document.write( "x=-2-4.2426
\n" ); document.write( "x=-6.2426 ans
\n" ); document.write( "x=-2+4.2426
\n" ); document.write( "x=2.2426 ans. \n" ); document.write( "

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