document.write( "Question 371918: I am graphing parabolas.\r
\n" ); document.write( "\n" ); document.write( "f(x)=-x^2+4x-3\r
\n" ); document.write( "\n" ); document.write( "I know that the vertex is (2,1) and that the parabola opens downward.\r
\n" ); document.write( "\n" ); document.write( "How do I determine the x intercepts and y intercepts. Everything I keep getting seems to be incorrect.
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Algebra.Com's Answer #264925 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
You can convert to vertex form.
\n" ); document.write( "\"y=-%28x-2%29%5E2%2B1\"
\n" ); document.write( "For y-intercept, set \"x=0\", solve for \"y\".
\n" ); document.write( "\"y=-%280-2%29%5E2%2B1\"
\n" ); document.write( "\"y=-4%2B1\"
\n" ); document.write( "\"y=-3\"
\n" ); document.write( "(\"0\",\"-3\")
\n" ); document.write( "For x-intercept, set \"y=0\", solve for \"x\".
\n" ); document.write( "\"0=-%28x-2%29%5E2%2B1\"
\n" ); document.write( "\"%28x-2%29%5E2=1\"
\n" ); document.write( "\"x-2=0+%2B-+1\"
\n" ); document.write( "\"x=2+%2B-+1\"
\n" ); document.write( "\"x=3\" and \"x=1\"
\n" ); document.write( "(\"3\",\"0\") and (\"1\",\"0\")
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