document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=204736>Question 204736</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y=x^2 + 4x -5 =0\r<BR>\n" );
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document.write( "a) without solving the equation or factoring, determine the solution(s) to the equation.  x^2 +4x -5 =0\r<BR>\n" );
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document.write( "b) does this function have a maximum or minimum?\r<BR>\n" );
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document.write( "c) what are the coordinates of the vertex in (x,y) form?\r<BR>\n" );
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document.write( "d) what is the equation of the line 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 #154517 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=154517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x^2 + 4x -5 =0 <BR>\n" );
document.write( "a) without solving the equation or factoring, determine the solution(s) to the equation. x^2 +4x -5 =0<BR>\n" );
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document.write( "Since the coefficients add up to zero x = 1 is a solution.<BR>\n" );
document.write( "Using synthetic division you can find the other factor and then the 2nd root.<BR>\n" );
document.write( "1)....1....4....-5<BR>\n" );
document.write( ";.......1....5....|..0<BR>\n" );
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document.write( "The factor is x+5, so x=-5 is the 2nd solution.<BR>\n" );
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document.write( "b) does this function have a maximum or minimum? <BR>\n" );
document.write( "Minimum because the coefficient of x^2 is > zero.<BR>\n" );
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document.write( "c) what are the coordinates of the vertex in (x,y) form?<BR>\n" );
document.write( "x = -b/2a = -4/2 = -2<BR>\n" );
document.write( "f(-2) = 4-8-5 = -9<BR>\n" );
document.write( "Vertex: (-2,-9)<BR>\n" );
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document.write( "d) what is the equation of the line of symmetry?<BR>\n" );
document.write( "Ans: x = -2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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