document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=194574>Question 194574</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the x intercepts<BR>\n" );
document.write( "f(x)=2x^2 +8x-42<BR>\n" );
document.write( "(2x+6)(x-7) <BR>\n" );
document.write( "x+3 X-7<BR>\n" );
document.write( "intercepts are - 3 and 7  is this correct????? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #146001 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=146001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Tahoma\" size=1.5><BR>\n" );
document.write( "</pre><font size=4><b><BR>\n" );
document.write( "Given: f(x)=2x^2 +8x-42\r<BR>\n" );
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document.write( "Simplified by dividing the whole eqn by 2:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%282%29x%5E2%2Fcross%282%29%2Bcross%288%294%2Ax%2Fcross%282%29-cross%2842%2921%2Fcross%282%29=0 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B4x-21=0 ALIGN=MIDDLE  ALT=\"x%5E2%2B4x-21=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, perfect square<BR>\n" );
document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B7%29%28x-3%29=0 ALIGN=MIDDLE  ALT=\"%28x%2B7%29%28x-3%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28x=-7%29 ALIGN=MIDDLE  ALT=\"red%28x=-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28x=3%29 ALIGN=MIDDLE  ALT=\"red%28x=3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, X-Intercepts.\r<BR>\n" );
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document.write( "To follow up on this, let us find the vertex: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%28x-h%29%5E2%2Bk ALIGN=MIDDLE  ALT=\"a%28x-h%29%5E2%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "Complete the square:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%2B4x%2Bhighlight%284%29%29-21-highlight%284%29 ALIGN=MIDDLE  ALT=\"%28x%5E2%2B4x%2Bhighlight%284%29%29-21-highlight%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%29%5E2-25 ALIGN=MIDDLE  ALT=\"%28x%2B2%29%5E2-25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Vertex: (-2,-25)\r<BR>\n" );
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document.write( "Since a>0, (a=1), the parabola opens upwards.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C400%2C-10%2C10%2C-30%2C5%2Cgrid%281%29%2Cgraph%28400%2C400%2C-10%2C10%2C-30%2C5%2Cx%5E2%2B4x-21%29%2Cblue%28circle%28-2%2C-25%2C.18%29%29%2Cblue%28circle%28-7%2C0%2C.18%29%29%2Cblue%28circle%283%2C0%2C.18%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Jojo</font><BR>\n" );
document.write( " </SPAN>\n" );
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