Author Archives: Kate Poirier

Riemann sum visualization

Posted on March 17, 2015 by Kate Poirier

Here’s a pretty good interactive applet for visualizing Riemann sums for different functions, different intervals, different numbers of rectangles, and different points in subintervals used to calculate heights of rectangles. The idea is that you’ll fix f(x), a, b, and … Continue reading →

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Reminders

Posted on March 17, 2015 by Kate Poirier

(1) WebWork Definite Integrals is due tomorrow (Wednesday). The Riemann Sums WebWork set is not due until Monday, but take a look between now and Thursday to see if you anticipate needing any help with it. (2) This Thursday’s quiz … Continue reading →

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Grade data

Posted on March 16, 2015 by Kate Poirier

Here are a few interesting charts generated from Calculus II scores. The first is the grade distribution for test #1. There are two noticeable peaks; a number of students earned grades in the 30’s and a number of students earned … Continue reading →

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In honor of Pi

Posted on March 14, 2015 by Kate Poirier

Today’s the day that some people are calling the Pi Day of the Century. You’ve probably heard that is an irrational number, which means its decimal expansion never ends and never repeats. Some of you saw a really cool talk … Continue reading →

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Upcoming WebWork

Posted on March 11, 2015 by Kate Poirier

The WebWork Antiderivatives set is due next Monday, March 16. The four review sets from the beginning of the semester serve as good review again now. The review sets have been reopened and are also due on March 16. If you … Continue reading →

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Limit comparison test

Posted on March 5, 2015 by Kate Poirier

A few people have asked about the limit comparison test during office hours. It’s stated on page 564 of your text, but we can reword it in a way that might make it easier to understand. First, imagine that instead of … Continue reading →

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Reminders

Posted on March 5, 2015 by Kate Poirier

(1) WebWork Power Series (10.6) and Taylor Series (10.7) are due Monday night. (2) Your test on Tuesday will cover everything we’ve seen so far: sections 8.4, 10.1-10.7 (skip the integral test). Be prepared to answer true/false questions and to … Continue reading →

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Homework teams for Tuesday, March 3; Quiz #4

Posted on February 26, 2015 by Kate Poirier

Please select a problem from 10.5 on the syllabus and share your solution with the class. 8am: David, Jia Min, Randa, Jeron 10am: Daniel, Evan, Watthama, Nikoy   Quiz #4 will be given in class next Thursday. It will cover … Continue reading →

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Announcements from today’s class

Posted on February 24, 2015 by Kate Poirier

(1) WebWork Alternating Series is due tomorrow (Wednesday). The Ratio and Root Tests set is due next Monday. (2) This Thursday’s quiz will cover material from last week: sections 10.3 and 10.4. (3) Thursday’s homework teams are: 8am: Yaser, Fuzail, … Continue reading →

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WebWork – Intro to Series hint

Posted on February 16, 2015 by Kate Poirier

I’ve noticed that a few of you have been using the ratio test for a few of the exercises on the Intro to Series WebWork set. We haven’t officially covered the ratio test yet, and that’s fine because you don’t … Continue reading →

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