document.write( "Question 489262: Find the x intercepts and y intercepts
\n" ); document.write( "f(x)=-x^2+3x+28
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Algebra.Com's Answer #333614 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=-x%5E2%2B3x%2B28\"\r
\n" ); document.write( "\n" ); document.write( "to find the \"x-intercept\": set \"f%28x%29=0\" \r
\n" ); document.write( "\n" ); document.write( "\"0=-x%5E2%2B3x%2B28\"...use quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" ...\"a=-1\", \"b=3\", and \"c=28\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A%28-1%29%2A28+%29%29%2F%282%2A%28-1%29%29+\" \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+9%2B4%2A28+%29%29%2F%28-2%29+\" \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+112%29%29%2F%28-2%29+\" \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+10.58%29%2F%28-2%29+\" \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B10.58%29%2F%28-2%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%287.58%29%2F%28-2%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-3.79+\"...round it to whole number\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-4+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+-10.58%29%2F%28-2%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-13.58%29%2F%28-2%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+6.79+\"..round it to whole number\r
\n" ); document.write( "\n" ); document.write( " \"x+=+7+\"\r
\n" ); document.write( "\n" ); document.write( "to find the \"y-intercept\": set \"x=0\" \r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=-0%5E2%2B3%2A0%2B28\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=28\"\r
\n" ); document.write( "\n" ); document.write( "let see it on a graph\r
\n" ); document.write( "\n" ); document.write( "\"+graph%28+500%2C+500%2C+-15%2C+15%2C+-10%2C+35%2C+-x%5E2%2B3x%2B28%29+\"\r
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