Math 125 Exams
last updated on Monday, 13 December 2004

As it says on the course syllabus, there are two midterms and a final in MAT125, which count for 25%, 25%, and 35% of your grade, respectively. No Make-up exams will be given. If you miss an exam due to a documented medical or family reason, that score will be replaced by the grade on the balance of the course. If you miss more than one exam for such reasons, you should probably withdraw from the course.

  • The first midterm was at 8:30 pm on Monday, September 27. Bring a photo ID. No calculators.

    The midterm covers sections 1.1 through 1.6, Appendix C, and sections 2.1 through 2.4 of the text.
    Doing all of the relevant homework problems, as well as other problems from the text, prior to the exam is a very good idea. You should be able to do all the problems on these practice exams from previous semesters: practice-1, practice-2. Also, here is an exam from a few years ago.
    The solutions are also available, but please work the problems out first before looking at them, or you won't learn anything. Here are the solutions to practice-1, solutions to practice-2, and solutions to the old exam.
    The questions on the exam cover the same topics but will, of course, be different.

    Results: The class as a whole did much worse than anticipated on this exam. Part of this may have been due to a lot of people not taking seriously the suggestion of doing all the homework before the exam. Only about 25% of you submitted any work on HW3 it iLrn before the exam. There is a very strong correlation between the scores on the homework, which you can see by this graph. Below is a graph of the score distribution on the exam. The grades given were very generous, probably too generous.
    low score: 3 mean: 45 median: 46.5 high score: 95.5
    range letter grade
    80-100 A-, A
    60-79.5 B-, B, B+
    40-59.5 C, C+
    35-39.5 C-
    20-34.5 D, D+
    0-19.5 F

    Just in case you lost yours, here is the exam, and here are the solutions.

  • The second midterm was at 8:30 pm on Tuesday, November 9.

    The midterm covers sections 2.5 through the end of chapter 3 in the text. Doing all of the relevant homework problems, as well as other problems from the text, prior to the exam is a very good idea.

    Here is an exam I gave in 1999, to give you some idea of what to expect. Here are the solutions, but please do the problems before looking at the solutions. Note that we have covered more material; in particular, that exam only covered through the chain rule. You are also responsible for the rest of the material in chapter 3, including the derivatives of the six trigonometric functions, inverse trigonometric functions, the logarithm, and implicit differentiation.
    Here are some more problems you can use to help you review. Here are the solutions, but again, don't look at them until you have fully worked out each problem or you won't learn anything. Really.

    Results: As you can see from the grade distribution below, there are two distinct populations of students: a large group who mostly seems to be getting it (about 60% of the class), and another large group that is having a lot of trouble. If you are in the group in trouble (that is, you got less than 50 on the exam), you need to take steps to improve your understanding, or you will not pass the class. Your TAs and lecturers are willing to help, but clearly you are not approaching the class material effectively.

    low score: 0 mean: 55.1 median: 56.5 high score: 100
    range letter grade
    85-100 A-, A
    70-84.5 B-, B, B+
    50-69.5 C, C+
    40-49.5 C-
    20-39.5 D, D+
    0-19.5 F

    For your enjoyment, here is one version of the exam, and a set of solutions to it. Also, here is the other one, and the solutions for that one.

  • The final exam will be at 11 am on Wednesday, December 15. The specific locations are listed below.

    For the final, you may bring with you an index card with whatever you want written on it, provided that the card is entirely handwritten (no photocopies or printouts allowed), that your name is written legibly on the card, the card is no larger than 8.5" by 5.5", and that you turn the card in along with your exam. Students using notes that don't meet these specifications will have the notes and the exam confiscated and will be charged with academic dishonesty. Note that the "index card" can be half a sheet of ordinary paper. No calculators will be allowed.

    Locations for the exam:

    R1 (M 9:35) Beck Old Engineering 145
    R2 (Th 12:50) Shah Javits 100
    R3 (Tu 2:20) Hitron Old Engineering 145
    R4 (Th 5:20) Liu Javits 103
    R5 (M 11:45) Robles-Llana Javits 100
    R6 (Th 2:20) Shah Javits 100
    R7 (Th 5:20) Hu Javits 101
    R8 (F 9:35)Roberts Old Engineering 143
    R9 (Th 2:20)Liu Javits 109
    R10 (W 9:35) Beck Old Engineering 145
    R11 (W 11:45)Robles-Llana Javits 100
    R12 (F 11:45)Xu Javits 105
    R13 (M 5:20)Chen Javits 100
    R15 (W 8:30)Roberts Old Engineering 143
    R16 (Th 2:20) Hitron Old Engineering 143
    R17 (M 5:20) An Javits 100
    R19 (M 11:45) Xu Javits 105
    R20 (Tu 9:50) Hu Javits 101
    ELC3 (MW 6:50)Friedman Javits 100

    Here are some review problems, and solutions to most of them. Also, here is a copy of the final I gave in 1999. Keep in mind that the presence of multiple choice problems on that exam doesn't imply there will be multiple choice on this year's model. Solutions will show up here around Dec 12 or 13.

    Note also that the first two exams, as well as solutions, are posted above on this page. Solutions to most of the homework sets are on the homework page.

    There will be a review session on Monday, Dec 13, from 5-7:30pm in Heavy Engineering 201. There will be a second session Tuesday, Dec 12 from 1-2pm in Math P-131.

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