document.write( "Question 121412: approximate to the nearest tenth the negative real zeros of f(x)= x^3 - 2x^2 + 4 \n" ); document.write( "

Algebra.Com's Answer #89176 by Fombitz(32388) $\"\"$ $\"About$

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A quick graph shows the region of interest.
\n" ); document.write( " $\"+graph%28+300%2C+300%2C+-5%2C+1%2C+-2%2C+2%2C+x%5E3-2x%5E2%2B4%29+\"$
\n" ); document.write( "Plugging in negative values for x.
\n" ); document.write( "Look for y to change signs.
\n" ); document.write( "-2.0,-12
\n" ); document.write( "-1.9,-10.079
\n" ); document.write( "-1.8,-8.312
\n" ); document.write( "-1.7,-6.693
\n" ); document.write( "-1.6,-5.216
\n" ); document.write( "-1.5,-3.875
\n" ); document.write( "-1.4,-2.664
\n" ); document.write( "-1.3,-1.577
\n" ); document.write( "-1.2,-0.608
\n" ); document.write( "-1.1,0.249
\n" ); document.write( "There is a zero between x=-1.1 and x=-1.2.
\n" ); document.write( " $\"highlight%28x=-1.1%29\"$ \n" ); document.write( "

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