document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389241>Question 389241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one x-intercept for a parabola is at the point (0.6,0)use the quadratic formula to find the other x-intercept for the parabola defined by the equation: y=-5x^2+8x-3.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275771 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=275771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If we use the quadratic formula,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-8+%2B-+sqrt%2864+-+4%2815%29%29%29%2F-10+=+%28-8+%2B-+2%29%2F-10 ALIGN=MIDDLE  ALT=\"x+=+%28-8+%2B-+sqrt%2864+-+4%2815%29%29%29%2F-10+=+%28-8+%2B-+2%29%2F-10\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 0.6 or 1, so 1 is the other x-intercept.\r<BR>\n" );
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document.write( "There's a simpler solution that doesn't involve the quadratic formula. If you know that the sum of the roots of the polynomial is -b/a = -8/-5 = 1.6, we have 1.6 = 0.6 + x, x = 1.  </SPAN>\n" );
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