Name:
MA 226 Exam 1
Show Your Work
Problem
Possible Actual Score
1
12
2
12
3
12
4
18
5
12
6
14
TOTAL
80
1.) 12 points
a) Find the general solution to the differential equation
dy
= 5y + sin (3t)
dt
b)
Teachers' Classroom Strategies Should Recognize that Men and Women Use Language Differently
Tannen, Deborah
The Chronicle of Higher Education; Jun 19, 1991; 37, 40; ProQuest Social Sciences Premium Co
Homework assigned on March 1 and due in discussion section on March 8
Reading
Exercises assigned
Section 3.1
Section 3.1: #4,9,15,22,23,25,27,30,37,39,40
Section 3.2
Section 3.2: #1,2,8,15,20,21,26,27
Homework assigned on February 1 and due in discussion section on February 8
Reading
Exercises assigned
Section 1.3
Section 1.3: #3,5,8,10,11,17,19,23,24,25,27
Section 1.4
Section 1.4: #3,5,8,10,11,14,
Homework assigned on February 22 and due in discussion section on March 1
Reading
Exercises assigned
Finish Section 2.2 Section 2.2: #31,32,35
Section 2.3
Section 2.3: #1,3,6,8,11,12,13,14,15,16,20,21
Homework assigned on March 8 and due in discussion section on March 15
Reading
Exercises assigned
Finish Section 3.3
Section 4.1 (pp. 190-192)
Finish Section 4.1
Section 3.3: #24,27,31,32
Section 4.1:
Homework assigned on February 15 and do not submit for grading
Reading
Exercises assigned
Section 1.8
Section 1.8: #3,8,9,11,15,16,17,18,19,21,22,23,27,31,33,35
Section 1.9
Section 1.9: #1,5,7,9,11,13
Homework assigned on March 15 and do not submit for grading
Reading Exercises assigned
Section 4.2 Section 4.2: #1,5,7,9,15,17,21,23,25,26,27,31,32,33
Section 4.3 Section 4.3: #1,3,5,7,8,9,11,13,15,19
Homework assigned on January 25 and due in discussion section on February 1
Reading
Exercises assigned
Section 1.1 (pp. 1-3) Make your end-of-semester plane reservations today!
Section 1.1: #1,3,6,10,
Homework assigned on March 22 and due in discussion section on March 29
Reading
Exercises assigned
Section 4.5 Section 4.5: #6,9,11,14,19,20,21,31
Section 4.6
Section 4.6: #4,5,8,9,12,13,16,17,18,19,2
Homework assigned on February 8 and due in discussion section on February 15
Reading
Exercises assigned
Finish Section 1.5 Section 1.5: #13,17,23,24,28,29,30,31,32,36
Section 1.7
Section 1.7: #1,4,7,9
Chapter 2
CHAPTER 2: CHEMISTRY OF LIFE
Atom Organism
Atom vs. Element
Subatomic Particle
Atomic Number
Mass Number
Isotopes
Chemical Bonds
Covalent vs. Ionic
Organic Chemistry
Macromolecule Chart
Mono
CAS MA 118 Sec. A1
College Algebra and Trigonometry
Fall 2017
Instructor: Julian Fekety
Office: PSY Building (64 Cummington St.)Room 235
Email: [email protected]
Lectures: Monday, Wednesday, and Friday 8
CS 112
Week11: Trees
1
General Trees
This week we discuss one of the most important non linear
data structures in computing, trees.
Trees are indeed a breakthrough in data organization,
allowing us to
TRANSFER COURSE EQUIVALENCY FORM
This form is used to document equivalency for coursework to be completed outside of
Boston University that is intended for use toward the College of Arts and Sciences
MA684 HW 5
Multiple Regression II
Question 1. Data from Prof. Bernard Rosner, Prof. of Biostatistics across town, posted on
line. The attached data set provides data on lung function for a sample of 6
Ma684 HW 8
Regression Diagnostics
Data on 100 subjects are saved on ACS under the file hw8anyproblems. Variables in the data
set are 1) an id number, ranging from 1 to 100; 2) sex, coded 1 for females
MA684
Homework from Class 12
Factor Analysis II
A study examined a number of factors that might impact quality of life. We will focus on
depressive symptoms, as measured by the CES-D (Center for Epide
MA684
Homework from Class 3
Solutions
1. Some results from the regression predicting height (in inches) from femur length (in inches),
from last weeks homework. First, some summary data on the indepen
Homework from Class 8
Logistic Regression
1. Taking multiple vitamin and mineral supplements during pregnancy can reduce the risk
of birth defects. A study (based on a sample of several thousand women
SPSS Results
MA684 HW 11
Principal Components Factor Analysis
Question 1: PC factor analysis with varimax rotation
Click on Analyze Dimension Reduction Factor
Select the variables to be included in th
MA684
1
Some Review Problems
Class
1.
Based on a problem from Ch. 13 of the KKM and N text. The following
gives weight loss (in pounds) over a three week period for people initiating
two different wei
MA684 Class 10 Homework
Logistic Regression II
1. (No computer work necessary, other than finding p-values for chi-square statistics) From
the voting study in last weeks assignment. Last week you ran
MA 242
October 25, 2012
More examples of vector spaces
Recall the definition of a vector space from last class:
Definition. A vector space V is a set of objects that are called vectors along with two
MA 242
December 4, 2012
Orthogonal sets
Definition. A set of vectors cfw_v1 , v2 , . . . , vk is an orthogonal set if vi vj = 0 for all i 6= j.
Example 1. Consider the vectors
v1 =
2
1
4
5
,
v2 =
0
MA 242
December 6, 2012
Projection matrices
Theorem. If cfw_u1 , . . . , uk is an orthonormal basis for a subspace W , then
projW v = (vu1 )u1 + . . . + (vuk )uk .
If
U = u1
u2
.
uk
,
then projW v =