Assessment 4
Assessment 4 will be on this Wednesday, 25 November 2015.
The following class groups will sit the assessment at 17:15 (arrive around 17:05):
- DNET1, WEB1, DCOM1-A
The following group will sit the assessment at 18:15 (arrive around 18:05)
- DCOM1-B
Keep an eye on your CIT Blackboard and email for the latest and definitive assessment information. Chapter 4 of the manual will be examined in Assessment 4. Sections that we skipped are not examinable.
Week 9
We looked at functions and begin looking at indices.
Week 10
We will look at scientific notation, unit conversion and logarithms.
Tutorials
Until Wednesday (inclusive), we are looking at these exercises.
- DCOM1 Group A: Wednesday 09:00 in C212 (with Leonard O’Driscoll) and Thursday 09:00 in B185 (with Hannah Lordan)
- DCOM1 Group B with myself: Monday 12:00 in F1. 3 and Thursday 12:00 in B165
- DNET1 with myself: Monday 14:00 in B248 and Wednesday 15:00 in C212
- WEB1 with Ben O’Shaugnessy: Monday 16:00 in C212 and Thursday 15:00 in E7
Study
Please feel free to ask me questions about the exercises via email or even better on this webpage.
Student Resources
Please see the Student Resources tab on the top of this page for information on the Academic Learning Centre, etc.
J.P. McCarthy: Math Page 
2 comments
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November 23, 2015 at 8:37 am
Student
Would I be able to see how I lost marks on the last assessment?
November 23, 2015 at 8:49 am
J.P. McCarthy
Hi,
Q.2 You took the perimeter of a rectangle of length
and width 
to be 
but it is 
. When you got a width of 
from this the length should have been 1.75 times this — 28. This answer wasn’t there so you you just halved the 16. You should have solved 
for 
and then the answer was 
. [-4 total]
Q.5 You were correct down to
but then you got
How do you go from (*) to (**)? [-8 total]
Q.6 A similar mistake. You have
Q.8 You didn’t read the question properly, it isn’t
That is three questions where the minus is causing you issues.
Q. 11 You are correct down to
How do you get from there to:
Q.12 You got four marks out of six but because you didn’t really use algebra you couldn’t rule out another solution. Your big problem here was failing to define your variables, e.g.
You have the correct
but failed to use the fact that there are 25 workers in the office to form:
Q.12 You formed the quadratic equation
but never went anywhere with it. [-27.5 total]
Regards,
J.P.