document.write( "Question 299008: Please find the x and y intercepts for f(x)=4x^2+12x+3\r
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Algebra.Com's Answer #215017 by checkley77(12844) $\"\"$ $\"About$

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f(x)=4x^2+12x+3
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(-12+-sqrt[12^2-4*4*3])/2*4
\n" ); document.write( "x=(-12+-sqrt[144-48])/8
\n" ); document.write( "x=(-12+-sqrt96)/8
\n" ); document.write( "x=(-12+-9.798)/8
\n" ); document.write( "x=(-12+9.798)/8
\n" ); document.write( "x=2.202/8
\n" ); document.write( "x=.275 ans.
\n" ); document.write( "x=-12-9.798)/8
\n" ); document.write( "x=-21.798/8
\n" ); document.write( "x=-2.725 ans.
\n" ); document.write( "Y intercept=3.
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+4x%5E2+%2B12x+%2B3%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 4x^2 +12x +3). \n" ); document.write( "

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