MA111 Practice Test 1 Fall 2015 45 pts Jenkins
(2) 1. Perform the indicated multiplication and combine like terms.
(2x + 3)(3x 2) = _
(2) 2. Factor the following trinomial.
x2 + x 12 = _
(2) 3. If f(x) = 3x2 + 2x + 6, find f(1).
f(1) = _
(8) 4. For the po
MA 243 Study Guide for EXAM 4
Example 1. Evaluate
C
F dr where F ( x, y ) i j and C is the curve y sin x, 0 x .
Since y sin x, dy cos xdx. So
C
F dr
1dx 1dy 1dx 1cos xdx
C
C
0
(1 cos x)dx .
Remark: It is clear that if we let f ( x, y ) x y, then f ( x,
MA 243 Study Guide for Exam 3
This study guide consists of 11 examples and problems that are similar to the exam problems. You should
first work on the examples without looking at the solutions. You should then compare your answers and
the solutions given
Study Guide for EXAM 2
There will be 10 questions on the exam. You will have 50 min to complete. Here below is an
approximate outline of the exam. All exam problems except Problem 9 and 10 will be similar to HW
problems suggested or sample problems given
Study Guide for EXAM 1
There will be 10 questions on the exam. You will have 60 min to complete. Here below is an
approximate outline of the exam and sample problems.
Problem 1. (a) and (b) are not related problems.)
(a) About Compu A.
Sample problem 1-1:
Inverse func on
Deni on:
Two func ons f and g are inverse func ons or are inverses of each other
provided that, the range of values of each func on is the domain of
deni on of other and the rela on f(g(x)=x and g(f(x)=x hold for all x in
the domain of g a
StatCrunch Assignment 2
First save this file to your computer. Answer each of the following questions, then resave the file
along with your answers and turn it in using the assignment link in Module 3, Activity 4. the first
four problems are worth 10 poin
Module 1 - Discussion Data Graphics
Los Angeles traffic map showing speed of traffic at several
locations on the LA freeway system.
http:/trafficpredict.com/
Downloaded March 26, 2012 from Traffic Predict.com
Smart meters collect info on electricity usage
Scott Clark
4.4
20150710
1. D could not be a possible outcome, because it is based off the random
sampling of 48, 55, 61, and 39. Not just 39 repeated.
2. 80.01 could not be a possible mean, due to it being to far up on the interval
itself. The mean would
Scott Clark
6 Discussion
20150725
Less than half of Americans, 36%, thinks the US Supreme Court is still doing a good
or excellent job, but thats down from the recent high of 38% measured just after the
court issued its rulings in June. 31% now give the h
Scott Clark
Stat crunch
20150731
1. (20 pts.) State your question. Remember that your question should be related to the
population proportion or proportions and should be one that will require the use of a
confidence interval and hypothesis test to answer
Scott Clark
Discussion Board 1
20150619
On a daily bases we use numbers and categorys for just about everything for my job.
We use charts for information for how many people would be flying for instance, so
we know the size of a vehicle to use. That would
PIN number to be used is 29783
a=2
b=9
c=7
d=8
e=3
Problems become
1. Find the slope of the line passing through the points (7, 8) and (1, 9). The write-up for this
problem should be one line in Math Type. Round your answer to two decimal places.
Solution
MA 345 Dierential Equations Name :
Spring 2011
Exam I Score :
Dr. E. Jacobs
Problems 1 - 5 require that you show all work. All answers must be expressed in simplest form. Do your calculations on the blank sheets provided. The papers will be stapled togeth
Embry-Riddle Aeronautical University MA 345 Dierential Equations Exam I
C. Jacobs Spring 2011
Questions 1 - 4 (16 points). Match each of the following dierential equations with the method of solution. 1. x2 + y 2 dx x2 dy = 0 a) Separation of variables 2.
Embry-Riddle Aeronautical University MA 345 Dierential Equations
Exam II Solutions
C. Jacobs Spring 2011
Problems 1 - 5. (20 points) Match each dierential equation to its solution by putting the appropriate letter next to the equation number. 1) (D 4)2 y
MA 345 Dierential Equations 1. (15 points)
Spring 2011
Exam II Solutions
Dr. E. Jacobs
Let A be the following matrix: A= 3 1 1 3
a) Find all eigenvalues of A 0 = det(A I) = 3 1 = (3 )2 1 1 3 so 1 = 2 and 2 = 4
b) Find the eigenvectors corresponding to the
1
Operations on Matrices Definition: A matrix is a rectangular array of numbers arranged in rows and columns. An m x n matrix is a matrix with m rows and n columns and is usually denoted by
a11
A=
a12 a 22 a m2
a1n a 2n a mn
= a ij , I = 1,2 m, j = 1,2 n
Embry-Riddle Aeronautical University MA 243 Calculus III Exam I - Solutions Problems 1 - 4 refer to the following graphs:
C. Jacobs Spring 2011
Graph 1 a) z = x2 + y 2 1
Graph 2 b) z = x2 + y 2
Graph 3
Graph 4 d) z = 1 x2 y 2 h) z = 1 |y |
1. (5 points) W
MA 243 Calculus III - Spring 2011 Assignments Assignment 1. Spheres and Other Surfaces Read 13.1 - 13.2 and 13.6 You should be able to do the following problems: Section 13.1/Problems 11 - 18, 20 - 22 Section 13.6/Problems 1 - 48 Hand in the following pro
Introduction to Linear Transformations Projection Example: Let v = 1, 3 . The vector projection of a vector x = x1 , x2 in the direction of v is given by: xv projv x = v vv
Expand out the dot product: projv x = x1 + 3 x2 1, 3 = 10 1 3 3 9 x1 + x2 , x1 + x
Embry-Riddle Aeronautical University MA 243 Calculus III Exam I - Solutions Problems 1 - 4 refer to the following graphs:
C. Jacobs Spring 2011
Graph 1 a) z = x2 + y 2 1
Graph 2 b) z = x2 + y 2
Graph 3
Graph 4 d) z = 1 x2 y 2 h) z = 1 |y |
1. (5 points) W
Dr. H. Khanal
Spring 2008
MA 441 Solved Problems #10. Stokes's Theorem 1. Integrate the surface integral directly. Then check the result by integrating the corresponding line integral in the Stokes's theorem. F n dA =
S C
F r (s) ds
Sol. Here
Dr. H. Khanal
Spring 2008
MA 441.01
Final Exam
(SAMPLE)
Name: ID#:
! Read each problem carefully before attempting a solution. Show all work to justify your
answers. Answer alone carries no credit. Partial credit only for significant progress t
Dr. H. Khanal
Spring 2008
MA 441.01
Sample Test #3
(SOLUTION)
! Read each problem carefully before attempting a solution. Show all work to justify
your answers. Answer alone carries no credit. Partial credit only for significant progress
towa