document.write( "Question 430405: Find the x-intercepts and the y-intercepts for f(x).\r
\n" ); document.write( "\n" ); document.write( "f(x)= x^2-9x+9\r
\n" ); document.write( "\n" ); document.write( "Thank you
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Algebra.Com's Answer #298939 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
Find the x-intercepts and the y-intercepts for f(x).
\n" ); document.write( "f(x)= x^2-9x+9
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\n" ); document.write( "Two rules to remember:
\n" ); document.write( " 1)To find the y-intercept, set x=0, then solve for y.
\n" ); document.write( " 2)To find the x-intercept, set y=0, then solve for x.
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\n" ); document.write( "\n" ); document.write( "Finding y-intercept, set x=0
\n" ); document.write( "y-intercept=0-0+9=9 (ans)
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\n" ); document.write( "Finding x-intercept, set y=0
\n" ); document.write( "0=x^2-9x+9
\n" ); document.write( "solve by quadratic formula below:
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\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "..
\n" ); document.write( "a=1, b=-9, c=9
\n" ); document.write( "x=[-(-9)+-sqrt(81-4*1*9)]/2
\n" ); document.write( "x=(9+-sqrt(45))/2
\n" ); document.write( "x=(9+-6.7)/2
\n" ); document.write( "x=15.7/2 or 2.3/2
\n" ); document.write( "x=7.85 or 1.15 (ans)
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