document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149289>Question 149289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write a quadratic equation based on the points (-1,0), (0.67,0), and (0,-2); and find its solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109516 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=109516\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write a quadratic equation based on the points (-1,0), (0.67,0), and (0,-2); and find its solution.<BR>\n" );
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document.write( "The 1st two points are zeroes, so:<BR>\n" );
document.write( "f(x) = a(x+1)(x-0.67)<BR>\n" );
document.write( "f(x) = a[x^2 + 0.33x -0.67]<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "The 3rd point is the y-intercept<BR>\n" );
document.write( "f(0) = -0.67a = -2<BR>\n" );
document.write( "a = 2.985..<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "f(x) = 2.985[x^2 + 0.33x - 0.67]<BR>\n" );
document.write( "====================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );