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  • 19 March 2024
    Tim Garry
    Review Tests
    Hi Stephanie. You are correct. The solution set for #9 on SL Review Test 2 should include -9 since the inequality was < or =. Thank you for this very helpful feedback. I have corrected the answer and posted a new version (v2) of the worked...
  • 19 March 2024
    Stephanie Gower
    Review Tests
    Hi Tim,Thanks for these review tests. I was using the SL review test 2 yesterday and I think #9 has an error in the key (should be < or = to -9?)
  • 19 March 2024
    Tim Garry
    Sample Mock Exams
    Hi Varia. Thanks for pointing this out. The worked solution for MockE HL P3 Q.2 (b)(i) have incorrect values in the 2nd column for un. I made an error by starting the sequence with n = 0 (rather than n = 1) so each of my values should be one...
  • 18 March 2024
    Varia Marsh
    Sample Mock Exams
    Hi Tim,I am looking at P3 2024 Mock E HL Question 2bi.Using Recursion on GDC, your table implies that when n = 1, u1 = 1. But u1 = (1 + 11/2)1/2, so 21/2 = 1.4142. What am I missing?Varia