Math 4 Test 2 Study Guide
For the test on Friday, April 11, youre responsible for the sections we covered in chapters 2 and 3 of Lay,
plus section 4.1.
The key to preparing for the test is working lots of problems. Re-working homework problems would be
he
Math 4 Test 2 April 11, 2014
Name _
Put all your answers, together with your work, on separate paper.
You can use a calculator unless the problem says without using a calculator, in which case you need to
show the steps for working the problem manually. H
Math 4 Test 1 March 10, 2014
Name _
Put all your answers, together with your work, on separate paper.
You can use a calculator wherever its possible.
Exact answers only; no decimal approximations.
1.
Consider the following linear system:
2x1 x2 + 3x3 + 4x
Math 4 Test 1 Study Guide
Updated 3/4/2014, 3/8/2014
Youre responsible for all the sections of Chapter 1 in Lay, except section1.6 and 1.10, which are on
applications of linear systems. The applications are important, of course, but since everyone chose w
Math 4 Final Exam Practice Problems
Spring 2014 Jim Riley
3
7t
5
3 8
x2 t
The parametric form is :
5 3
1 11
x3 t
5 3
x4 t
x1
1.
3
7
5
8
3
3
The vector form, which is what the problem was supposed to say, is 5 x4 , where x4 is
11
1
3
Math 4 Final Exam Practice Problems
Spring 2014 Jim Riley
Problems 1 and 4 edited on 5/25/2014.
1.
Solve this linear system by any method and express the solution set in parametric form or vector
form.
3x1 4x2 + 7x3 + 6x4 = 2
x1
+ 3x3 4x4 = 0
2x1 + 7x2 +
Math 4 Syllabus Quiz
Name _
Short Answers
1.
What days does the class meet?
_
2.
What is the name of the textbook? _
3.
What is your instructors name?
4.
Where is your instructors office? _
5.
What day of the week will homework usually be collected? _
6.
Math 4 Final Exam Take-home Portion
Name _
Spring 2014 Jim Riley
This is due at the start of the timed final exam: Wednesday, May 28, 2014, at 11:30 a.m.
Exact answers only no decimal approximations. You can use technology for row-reducing matrices;
there
Math 4 Quiz 1 February 14, 2014
Name _
Due in class on Wednesday, February 19, 2014
This is a take-home quiz. You can use the textbook, your own notes, and any other materials (including
online ones) that are already published. Please dont consult other s