document.write( "Question 191570: f(x)=3x^2-7x-11 I was able to get the solutions but now i need to find the x intercepts. I am having problems find the solutions. this is from a teacher handout \n" ); document.write( "

Algebra.Com's Answer #143722 by checkley75(3666) $\"\"$ $\"About$

You can put this solution on YOUR website!
f(x)=3x^2-7x-11
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-15%2C+10%2C+3x%5E2+-7x+-11%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -15 to 10, 3x^2 -7x -11).
\n" ); document.write( "4x^2-7x-11
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(7+-sqrt[-7^2-4*3-11])/2*3
\n" ); document.write( "x=(7+-sqrt[49+132])/6
\n" ); document.write( "x=(7+-sqrt181)/6
\n" ); document.write( "x=(7+-13.45)/6
\n" ); document.write( "x=(7+13.45)/6
\n" ); document.write( "x=20.45/6
\n" ); document.write( "x=3.41 ans.
\n" ); document.write( "x=(7-13.45)/6
\n" ); document.write( "x=-6.45/6
\n" ); document.write( "x=-1.075 ans.
\n" ); document.write( "x intercepts=(-1.075 & 3.41)
\n" ); document.write( " \n" ); document.write( "

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