document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006088>Question 1006088</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a and b are real numbers such that a < b, then (x-a)(x-b) is positive over the interval: \r<BR>\n" );
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document.write( "A) (a, b)<BR>\n" );
document.write( "B) (-&#8734;, b)<BR>\n" );
document.write( "C) (-&#8734;, a)U(b, &#8734;)<BR>\n" );
document.write( "D) (-&#8734;, 0)U(b, &#8734;)<BR>\n" );
document.write( "E) (-&#8734;, a]U[b,&#8734;) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622234 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=622234\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Making a number line will make this easier to analyze.  The critical values of x are  a and b.\r<BR>\n" );
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document.write( "Look at each interval that the critical values make.\r<BR>\n" );
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document.write( "(-infinity,a)<BR>\n" );
document.write( "(-)(-) positive.<BR>\n" );
document.write( "TRUE\r<BR>\n" );
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document.write( "(a,b)<BR>\n" );
document.write( "(+)(-) negative.<BR>\n" );
document.write( "FALSE\r<BR>\n" );
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document.write( "(b,infinity)<BR>\n" );
document.write( "(+)(+) positive.<BR>\n" );
document.write( "TRUE\r<BR>\n" );
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document.write( "Choices C and E are exactly the same set and that is the solution set. </SPAN>\n" );
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