document.write( "Question 251056: Graph parabola show the vertex and at least two points on either side of the vertex.\r
\n" ); document.write( "\n" ); document.write( "y = x^2 -4x +3 \n" ); document.write( "
Algebra.Com's Answer #182870 by richwmiller(17219)\"\" \"About 
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h=-b/2a
\n" ); document.write( "h=-(-4)/2
\n" ); document.write( "h=2
\n" ); document.write( "y = 2^2 -4*2 +3
\n" ); document.write( "y=4-8+3
\n" ); document.write( "y=-1
\n" ); document.write( "the vertex=(2,-1)
\n" ); document.write( "x=1 and x=3
\n" ); document.write( "are on either side of the vertex
\n" ); document.write( "y=1^2-4+3
\n" ); document.write( "y=0
\n" ); document.write( "(1,0)
\n" ); document.write( "y=3^2-4(3)+3
\n" ); document.write( "y=9-12+3
\n" ); document.write( "y=0
\n" ); document.write( "(3,0)\r
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