document.write( "Question 764801: use the quadratic formula to find any x-intercepts ont he graph of the equation
\n" ); document.write( " y=3x^2+9x-1
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Algebra.Com's Answer #465718 by reviewermath(1029)\"\" \"About 
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Q: use the quadratic formula to find any x-intercepts on the graph of the equation
\n" ); document.write( "y=3x^2+9x-1
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\n" ); document.write( "A:\r
\n" ); document.write( "\n" ); document.write( "Quadratic Formula:\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "In \"3x%5E2%2B9x-1+=+0\", a = 3, b = 9, and c = -1
\n" ); document.write( "Using quadratic formula
\n" ); document.write( "\"x+=+%28-9+%2B-+sqrt%28+9%5E2-4%2A3%2A%28-1%29+%29%29%2F%282%2A3%29+\"
\n" ); document.write( "\"x+=+%28-9+%2B-+sqrt%28+93+%29%29%2F%286%29+\"
\n" ); document.write( "The x-intercepts are (\"%28-9+%2B+sqrt%28+93+%29%29%2F%286%29+\", 0) and (\"%28-9+-+sqrt%28+93+%29%29%2F%286%29+\", 0).
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