MAT1375 Precalculus Fall 2019

Fall 2018 | Professor Kate Poirier

Author: Kate Poirier (Page 2 of 3)

Test #2 grades/solutions, mid-semester grades, and drop date

October 30, 2019 / / 0 Comments

Test #2 grades are posted in Blackboard.

The instructions for the Test #2 Solutions OpenLab assignment are identical to those for Test #1 Solutions. If you choose a multiple-choice or true/false question, show all your work to explain your answer as if it were a regular question. Don’t forget to select the category Test #2 Solutions from the right side of the screen before you submit your post. Solutions are due by 11:59pm on Wednesday, November 6.

There is another column in Blackboard’s gradebook called Mid Semester. These grades are designed just to give you a rough idea of how you’re doing in the course so far; they will be kept on record by the math department but not reported to the college. These grades were determined by taking the average of your first two test grades. They do not include Webwork, quizzes, or participation but they still give a good indication of the grade you can expect to receive in the course. The possible grades are

  • P (passing): 60% or higher test average (you are expected to pass the course)
  • BL (borderline): between 50 and 60% test average (you are not currently passing but may pass the course with some improvement)
  • U (unsatisfactory): below 50% test average (you are not expected to pass the course…but let’s talk)

The last day for you to withdraw officially from the course is Tuesday, November 5. Anyone who remains in the course after this date must continue to attend up until the final exam. If you are considering whether to stay in the class and would like to discuss your decision with me, please see me tomorrow (Thursday) after class.

Project – Part 1 due Tuesday, November 5

October 23, 2019 / / 0 Comments

Please see the updates to the schedule.

This semester you will complete a 3-part project. Part 1 is available now by clicking this link.. We will spend part of our class time on Tuesday, October 29 on the Part 1  and the rest will be assigned as homework. Part 1 must be completed by 11:59pm on Tuesday, November 5.

I recommend you sign up for a free Desmos account before you start the project. This way you will be able to save your work and come back to it. (If you aren’t signed in, you will have to start a fresh copy of the project each time you work on it.)

Parts 2 and 3 of the project will be based on Part 1 so you should save your notes. They won’t be assigned officially until later in the semester but if you would like a preview you can see Part 2 here and Part 3 here.. We will spend some class time on Part 2 but you will complete Part 3 (which involves more writing and less calculation) on your own.

Announcements/updates

October 17, 2019 / / 0 Comments
  1. For classifying discontinuities of rational functions, one option is a point discontinuity, which looks like a hole in the graph. Another name for this type of discontinuity is removable discontinuity. (I just realized the textbook uses this name.)
  2. We are about a class behind the schedule. This means that we’ll cover Section 12 in class on Tuesday. This material will appear on Thursday’s test, so you might like to read through the text and look at the Webwork questions before Tuesday’s class.
  3. A handful of Webwork sets are due next Monday and next Wednesday.
  4. Your OpenLab Test #2 Review assignment has the same instructions as for Test #1 Review. Don’t forget to select the category Test #1 Review or your post. Posts are due by 11:59pm on Monday, October 21.

Reminders

October 3, 2019 / / 0 Comments
  1. There is no class next Tuesday, October 8
  2. Webwork
    • Polynomials – Division due 10/09/2019
    • Polynomials – Graphs due 10/09/2019
      Polynomials – Theory due 10/16/2019
  3. Quiz #3 will be given next Thursday, October 10. It will cover material/exercises from today’s class (Sections 8 and 9)
  4. Test #1 Solutions are due on the OpenLab on Monday night
  5. Graph Your Name exercise is due the night of Monday, October 14

Assignment – Graph Your Name – due October 14

October 3, 2019 / / 21 Comments

The inspiration for this assignment is the class’s performance on the questions about piecewise defined functions on Test #1. You will earn one participation point for completing this assignment.

  1. Head over to desmos.com and click “start graphing.”
  2. Enter functions with restricted domains (or other relations) along the left side to graph letters that spell your name. This will probably involve some experimenting (maybe a lot). The letters don’t have to be perfect but they must be recognizable. You may enter your name in a different language if you wish. Here is some inspiration.
  3. Once you are satisfied, click the share icon on the upper right of the screen (a rectangle with an arrow coming out of it). Copy and paste the link into a comment on this post so we can see how you graphed your name!
  4. Your link is due by Monday, October 14 at 11:59pm.

You do not need to have a Desmos account to complete this assignment, but if you do have one, you’ll be able to save your work and come back to it later. Later in the semester (for the project) it will be helpful if you have a Desmos account, so you may like to sign up for one now.

Test #1 Solutions – OpenLab assignment

September 26, 2019 / / 0 Comments

Your next OpenLab assignment is similar to the Test #1 Review assignment. This time, choose one question from Test #1 VersionA or Test #1 VersionB, write its full solution and submit this as an OpenLab post. If the question has multiple parts, complete them all. There are more students in the class than there are questions on the test, so we will have more than one solution for some questions; that is okay but make sure solutions for all questions appear at least once.

Choose a problem that you struggled with during the test. Try to post something that is 100% correct but don’t worry if it’s not; let us know what part you are not confident in. If you notice an error or have a question about someone else’s solution, post a comment on their post.

Select the category Test #1 Solutions before you publish your post.

Solutions are due on the OpenLab by 11:59pm on Monday, October 7.

Test #1 + Test #1 Review: OpenLab Assignment

September 17, 2019 / / 0 Comments

Test #1

Test #1 will cover material/homework from Sessions 1-7 (in pink on the schedule). The test will take the full class period and will include 10-20 questions similar to questions from the textbook, Webwork, and the final exam review sheet.

Test #1 Review Assignment – short version

To prepare for the test, you as a class will construct a crowd-sourced review sheet. Each of you is responsible for choosing one question and posting the question and its solution on the OpenLab. Try to pick questions that you think make good test questions (not too easy); try to pick topics that haven’t been posted by your classmates. Select the category Test #1 Review from the right-side of the screen before posting your question/solution. Your post is due on the OpenLab by Monday, September 23 at 11:59pm.

Test #1 Review Assignment – detailed instructions

Choose one question from

  • the textbook homework on the course outline,
  • Webwork, or
  • the final exam review sheet

to complete and post your full solution on the OpenLab. Title your post “Test #1 Review” and add the section and problem number. Add the category Test #1 Review before submitting your post. You may type out the solution or upload a photo of hand-written work.

Make sure nobody has submitted your problem already; try to make sure every section that will be on Test #1 is represented.

It is up to you as a class to ensure that all solutions are correct. If you have a question about someone else’s post, if you would like more detail, or if you think the solution contains an error, post a comment asking the question or correcting the error.

The idea here is that you as a class are creating a review sheet for everyone to study from for the first test. You will be given participation credit for this post.

Due date: Monday, September 23 at 11:59pm

 

Reminders – Webwork and Quiz #2

September 16, 2019 / / 0 Comments

Webwork:

  • Functions – Translations due 09/18/2019 at 11:59pm EDT.
    • This is a pretty short set. Make sure to review exercises from Section 5 of the text as well.
  • Functions – Operations due 09/23/2019 at 11:59pm EDT.

 

Quiz #2 will be given at the beginning of class this Thursday and will cover material from Sections 3-5 of the text.

Webwork text entry – update

September 2, 2019 / / 0 Comments

Some of you have noticed that Webwork accepts “none” instead of “no solution” in some of the Absolute Value Inequalities questions. This is because Webwork isn’t recognizing the space in “no solution.” Here’s what you should do instead:

When you click on the entry box, a set of choices appears on the right-hand side of the screen. At the bottom, you’ll see Tt. (This means entry will be in text mode rather than in math mode.) Click this to enter “no solution.”

Later in the semester, you may have other answers to enter in text mode; it’s useful when your answers need units as well.

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