document.write( "Question 422642: Sketch parabola and calculate all relevant points
\n" ); document.write( "f(x)=-x^2+3x+5
\n" ); document.write( "(-x^2 means x to the 2nd power) \n" ); document.write( "

Algebra.Com's Answer #294979 by rfer(16322) $\"\"$ $\"About$

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\n" ); document.write( "y int=5
\n" ); document.write( "zero's=4.2, -1.2
\n" ); document.write( "vertex=(1.5,7.25)
\n" ); document.write( "axis=1.5 \n" ); document.write( "

\n" );