document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=119926>Question 119926</A>: <I><SPAN STYLE=\"word-break: break-all;\"> finding the x-intercepts of parabola:\r<BR>\n" );
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document.write( "y= -x^2+6x-1             please help<BR>\n" );
document.write( "a. write the equation for the axis of symmetry.<BR>\n" );
document.write( "b. use the equation to create a table of values for the quadratic equation finding values of both sides of the axis of symmetry. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87989 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=87989\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y= -x^2+6x-1 please help<BR>\n" );
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document.write( "a. write the equation for the axis of symmetry.<BR>\n" );
document.write( "The axis of symmetry equation: x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-b%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"%28-b%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In the above equation a=-1: b=6, so we have:<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-6%29%2F%282%2A-1%29 ALIGN=MIDDLE  ALT=\"%28-6%29%2F%282%2A-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = +3<BR>\n" );
document.write( "The axis of symmetry is at x=3<BR>\n" );
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document.write( "b. use the equation to create a table of values for the quadratic equation finding values of both sides of the axis of symmetry.<BR>\n" );
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document.write( "Substitute each value for x in the equation and find y. <BR>\n" );
document.write( "You table should look like this:<BR>\n" );
document.write( " x | y<BR>\n" );
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document.write( " -1|-8<BR>\n" );
document.write( "  0|-1<BR>\n" );
document.write( " +1|+4<BR>\n" );
document.write( " +2|+7<BR>\n" );
document.write( " +3|+8; axis of symmetry, max value <BR>\n" );
document.write( " +4|+7<BR>\n" );
document.write( " +5|+4<BR>\n" );
document.write( " +6|-1<BR>\n" );
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document.write( "Note the that x intercepts (where it crosses 0)<BR>\n" );
document.write( "between x=0 and x=+1. And x=+5, and x=+6<BR>\n" );
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document.write( "Plot these values, a graph of this: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-4%2C+8%2C+-10%2C+10%2C+-x%5E2%2B6x-1%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-4%2C+8%2C+-10%2C+10%2C+-x%5E2%2B6x-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Did this help you understand this? </SPAN>\n" );
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