<p>Try this</p>
<p><a href="http://www.sparknotes.com/testprep/books/sat2/math2c/chapter2section4.rhtml%5B/url%5D">http://www.sparknotes.com/testprep/books/sat2/math2c/chapter2section4.rhtml</a></p>
<p>If that doesn't work, go to the last page of the other thread about this test and the link is there.</p>