document.write( "Question 692037: The U.S. trade deficit in billions of dollars for the years 1997,1998,1999 can be computed by
\n" ); document.write( "f(x)=16x^2-63,861x+63,722,378
\n" ); document.write( "Where X is the year. In which year was the trade deficit 164 billion? \n" ); document.write( "

Algebra.Com's Answer #426916 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+f%28x%29+=+16x%5E2+-+63861x+%2B+63722378+\"$
\n" ); document.write( "given:
\n" ); document.write( " $\"+164+=+16x%5E2+-+63861x+%2B+63722378+\"$
\n" ); document.write( "use quadratic formula
\n" ); document.write( " $\"+x+=+%28+-b+%2B-+sqrt%28+b%5E2+-+4%2Aa%2Ac+%29%29+%2F+%282%2Aa%29+\"$
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\n" ); document.write( " $\"+x+=+%28+63861+%2B-+sqrt%28+%28-63861%29%5E2+-+4%2A16%2A63722378+%29%29+%2F+32+\"$
\n" ); document.write( "My calculator can't handle these numbers. If you have a scientific
\n" ); document.write( "calculator, you should be able to solve for $\"+x+\"$
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