document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114970>Question 114970</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find y intercept and vertex: y = x^2 - 4x + 5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83645 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=83645\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To find the y-intercept. Equate x=0.\r<BR>\n" );
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document.write( "Equating,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=0%5E2-4%2A0%2B5=0%2B0%2B5=5 ALIGN=MIDDLE  ALT=\"y=0%5E2-4%2A0%2B5=0%2B0%2B5=5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The y-intercept is at (0,5)\r<BR>\n" );
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document.write( "To find the vertex, read my lesson---Shortcut in finding the vertex of any parabola\r<BR>\n" );
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document.write( "IF <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%5E2+-+4x+%2B+5 ALIGN=MIDDLE  ALT=\"y=x%5E2+-+4x+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, THEN <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dy%2F%28dx%29=2x-4 ALIGN=MIDDLE  ALT=\"dy%2F%28dx%29=2x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Equating this to ZERO,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-4=0 ALIGN=MIDDLE  ALT=\"2x-4=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x=4 ALIGN=MIDDLE  ALT=\"2x=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2 ALIGN=MIDDLE  ALT=\"x=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solving for y,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%5E2+-+4x+%2B+5=2%5E2-4%2A2%2B5=4-8%2B5=-4%2B5=1 ALIGN=MIDDLE  ALT=\"y=x%5E2+-+4x+%2B+5=2%5E2-4%2A2%2B5=4-8%2B5=-4%2B5=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Thus, the vertex is at (2,1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2Cx%5E2+-+4x+%2B+5%29 ALIGN=MIDDLE  ALT=\"graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2Cx%5E2+-+4x+%2B+5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain! </SPAN>\n" );
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