MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 2
MATH 2050
Due: Thur May 24
1. Margo has 1.05 dollars in dimes nickels, and pennies. If there are 17 coins in a
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 9
MATH 2050 sect. 3
ANSWERS
For practice and extra credit only.
1. Use vectors addition to show that
(a) In a re
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
MATH 2050 Sec.3
Assignment 4
ANSWERS
1. Consider augmented matrix for a homogeneous system of linear equations.
1.1 Rewrite
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
MATH 2050
Assignment 3
Answers
1. For each system of linear equations given below identify the rank of the matrix of coecie
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
MATH 2050 Sec.3
Assignment 6
ANSWERS
1. For each of the following matrices nd:
Answer
For A =
2a a2
,
a3 a4
a4 a3
a2 2a
1.
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 1
MATH 2050
Answers
1. Find all solutions for the following linear equation by writing the solution in parametri
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 5
MATH 2050
Answers
1. Find the inverse of each of the following matrices or explain why it is not possible.
A=
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
MATH 2050
Assignment 7
Answers
1. (a) Give a denition of an eigenvalue and corresponding eigenvector of a matrix.
AX = X,
X
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 3
MATH 2050 Sec 3
Answers
1. Give an example of a system of linear equations with four variables and the rank as
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 2
MATH 2050 Sec 3
ANSWERS
1. There are geese and pigs in a farm. They collectively have 20 legs. How many geese
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF MATHEMATICS AND STATISTICS
Assignment 1
MATH 2050 Sec. 3
Due: Sept 14, 2007
1. Find all solutions for the following systems of linear equations by wri