document.write( "Question 237504: What is the average of the 2 solutions for the general equation ax^+b+c=0
\n" ); document.write( "How can this be useful when checking answers? \n" ); document.write( "

Algebra.Com's Answer #174662 by Earlsdon(6294) $\"\"$ $\"About$

You can put this solution on YOUR website!
To find the average, add the two solutions and divide the sum by 2.
\n" ); document.write( " $\"x%5B1%5D+=+%28%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F2a%29\"$
\n" ); document.write( " $\"x%5B2%5D+=+%28-b-sqrt%28b%5E2-4ac%29%29%2F2a\"$ Add these two solutions:
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= $\"2%28-b%29%2F2a\"$ = $\"%28-b%29%2Fa\"$ Now divide by 2 to get the average:
\n" ); document.write( " $\"%28-b%2Fa%29%2F2+=+highlight%28%28-b%29%2F%282a%29%29\"$ \n" ); document.write( "

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