Exam Definition and 920 Threads

GRE Math subject exam Prep-- Pre-calc For those of you who are preping, or have taken it already, what did you use to prep for the pre-calc section of the GRE subject exam in math?

How do i solve this question?? urgent please maths exam tm? The question is: The perimeter of a rectangel is 140cm. The length with width ratio is 4:3. Find the area?? Could someone please help me with this question??

Hello, I'm looking at the moment for past papers for the AP Physics B exam (apart from the ones in www.collegeboard.com). If any of you have anything to offer or know somebody please pm me. I need practice questions as I have not been doing great lately on the course. Thank you!

Homework Statement At this link, in the solution to question B3, http://www.unl.edu/amc/a-activities/a7-problems/putnam/-pdf/1999s.pdf how did they get the second-to-last equality? Right above the words "and the desired limit is"? I tried factoring every way I know how and it did not work...

I just took the GRE math subject exam and it is safe to say I bombed it. I especially bombed it because a great score would've solidified by GPA along with my 3 letters from 3 professors I have done research under. A lot of people have been telling me it's not terribly important, but I have...

Hello, first time poster. I'm in an optics class because I thought it would be fun, but I'm having a terrible time. And I didn't do so well on the first test. The second test is tomorrow and I want to do well on it. We were given a practice exam with 3 questions. I got two of them, but the third...

I'm at chemical engineering as beginner.I will have my first physics exam on 17 November and I can't decide how I should study.Exam includes these subjects: Physics and Measurement, Motion in one Dimension, Vectors, Motion in Two Dimensions, The Laws of Motion, Circular Motion and...

Homework Statement Here is the problem. http://www.unl.edu/amc/a-activities/a7-problems/putnam/-pdf/2003.pdf Here is the solution. http://www.unl.edu/amc/a-activities/a7-problems/putnam/-pdf/2003s.pdf How can they assume, WLOG, in case 2 that B = 0 and A => a > 0 ? It seems to me like...

I want to ask you about exams series article wave and light That helped me And if there were questions, please give me the explanatory thanks

different (easy) math questions before my exam :) 1. 1. Homework Statement : Write as simple as possible: 2 sinv cosv-sinv ------------------ cos^2v-sin^2v-cosv+1...

Homework Statement Question 5(10 marks) Assume that a function f(x) is continuous on the interval [0,1].Express the following derivatives as formulae in terms of x,f(x),f'(x) and \int_{a}^{x}f(t)dt a)\frac{d}{dx}\int_{x}^{0}tf(t)dt b)\frac{d}{dx}\int_{0}^{x}xf(t)dt...

Our school requires the students to take FE exam before you graduate. I mean, of course, it would be helpful if you become a licensed engineer, but our school puts it as if you cannot get a job without passing the FE exam, which probably isn't true. Having that said, 1)How important is FE...

I had these two questions in an exam and do not know how to find the answers... find (f-1)'(3) for f(x) = sqrt (x^3 + x^2 + x + 6) and the int of x/(x + 4) dx If anyone can get me started on these and show which steps I have to take, that would be great...

Hey, I'm currently preparing for the putnam exam offered by MAA at my college. However, I am finding an added difficulty from not having a diverse enough knowledge of mathematics to actually atempt some of the questions. As it stands on average I can attempt seven out of the twelve problems...

This problem is in a GRE exam which I think might have big mistake in forming the answers: A thin uniform steel chain is 10 meters long with a mass density of 2 kg per meter. One end of the chain is attached to a horizontal axle having a radius that is small compared to the length of the...

Well, well, well, I am currently going to have Chemistry exams in a few days. I have something of a lot portion to study. I really get confused with the determination of Oxidation No. despite the methods shown in textbook! I have a chapter relating to basics of Structure of an Atom. Now in this...

Hi. I have no idea how to even begin to do this question and so I would really appreciate any help. Two helicopters P and Q are moving in the same horizontal plane. They are modeled as particles moving in straight lines with constant speeds. At noon P is at the point with position vector...

Determine the minimal polynomial f(x) over \mathbb{Q} of the element \sqrt3 + \sqrt7 . Determine the Galois group of f(x) and all the subfields of the splitting field of f(x) . SOLUTION This one seems pretty straightforward, I just need checks on my reasoning. I apologize in...

Hey I have a Physics exam in a week’s time which covers Optics, Nuclear & Particle Physics. They are all third year courses and the exam itself is one that I really need to pass – and get a good grade in. I have been revising for about two months but I still can’t say that I’m comfortable...

Hey friends from the phyics forum... I have been recently struggling with physics I all semester... and now I am already to the Final Exam which is 50 questions - multiple choice and it is worth 50 % of my grade. Which to me is like basically passing or failing the class and having to repeat it...

3. Show that the polynomial p(x) = x^4 + 5x^2 + 3x + 2 is irreducible in \bbmath{Q} [x] . This on has me totally stumped. I've seen many other problems on polynomial reducibility, but they are all solvable by Eisenstein, or by checking for irreducibility in a quotient ring by a proper...

2. Let R be an integral domain containing F as a subring. Suppose that R is finite-dimensional when viewed as a vector space over F. Prove that R is a field. SOLUTION I will show that \forall \ r \in R, (r \neq 0), r is a unit. Equivalently, \forall \ r \in R, (r \neq 0), \exists \ s...

I am currently studying for my Algebra comprehensive exam which will be given at the end of August. As part of my materials, I have several old exams, minus the answers. I would like to post my solutions here to see if they are accurate. I am posting here rather than in the homework...

Hey, I've decided to give myself some things to work out., in preparation for my Exam. Obviously it's not any questions from the exam, how would i have got ahold of them? They may seem easy, but some people do happen to be Dyslexic: Peter works as a real estate agent and is paid commission at...

Homework Statement Fine the volume of the solid generated by revolving the "triangular" region bounded by the x-axis, the line x=PI/3, and the curve y=tanx in the first quadrant about the x-axis. Homework Equations volume of revolution using disk method =integration (PI*[r(x)]squared...

Hello People! Could somebody help me? i am looking for OCR exam AS past papers + mark schemes for last 7 years but i need some other web page where i can get it free...not www.orc.org.uk i am really dissapointed because i need to fine them and what i really need...

Hi, I am trying to relearn algebra and i haven't studied in many years. I was hoping someone knew of an online exam that i can download and printout that covers most if not all of elementary algebra topics. There are many example questions online using applets ect buy i would like to print...

:frown:I just got the results from a mock exam that actually counts towards next year... I got 82%. However everyone else got 95+! It is the multichoice - I got 14/40 for it! The structured theory - I got 98%. Does anybody have any good sites or tips to combat this Multichoice problem I have...

Homework Statement A surveyor on the ground takes two readings of the angles of elevation at the top of the tower. From 150' apart, the measures are 50 and 70 degrees. Find the tower's height to the nearest foot. Homework Equations The Attempt at a Solution

I am in my final year at high school and i have choosed physics exam, there left only two weeks until it, have anyone ideas how to prepare for it in such a short time?

Homework Statement Information: The gravity defines the point of equilibrium for the system. The mathematical models you are to find are all movements around the point of equilibrium. The force of gravity is NOT to be included in these models. Numbers used throughout the exercise: m1= 300kg...

Deleted, double post, please check the other post for my work so far, admins can delete this thread!

Homework Statement This is a question from an exam in fractals and chaos. The paper is attached, the question is the first one, part (b). Homework Equations In the paper The Attempt at a Solution Am I expected to compute continuous correlation functions with respect to epsilon...

Revision on Past Exam Paper ! Hey there, i am stuck on this question in my past exam paper, and i have tried many ways of doing it but just simply not getting any where ! So please would u mind helping me out a little here !?? A rectangular cross section hollow steel tube (outer diameter 50...

Homework Statement http://img225.imageshack.us/img225/3338/question10em4.jpg Homework Equations This is a practice question for final exam, I very much appreciate if someone can help.

I am planning to take FE Exam during my senior year. I was planning to take it during October so I can put it down on my resume, but I have heard they won't release the results to you until you graduate. Is that true?

Hi, can you please spare a moment to help me with this http://thumbq.com/store/62194-stress.jpg" Thanks

Homework Statement I was practicing exams for PHY 1 but I don't understand how to do this question, even with the mark scheme. A cricketer bowls a ball from a height of 2.3m. The ball leaves the hand horizontally with a velocity u. After bouncing once, it passes just over the stumps at...

i need tips on how to get a mark on the physics exam coming up in 2 weeks. I have trouble connected concepts with problem-solving; for example i know archimedes principle for buoyant force but have trouble solving problems related to finding tension in a suspended mass in water. So any tips on...

I have a mid term tomorrow for my controls course. We have 514 pages of material with no formula sheet. We have to memorize everything, including some derivations and Matlab code. After this mid term were only doing 2 other chapters. This isn't a mid term, its a damn final exam! At this...

i have about 6 weeks to study, so, what should do? what prep books would you guys reccomend? how much time should i spend prepping everyday?

Homework Statement Here are three problems from an exam and I'm not sure i understand the wording... almost like we're supposed to get these wrong. 4. The Boolean expression of the OR between minterm 6 and minterm 7 using variables ABC (A being the MSB and C being the LSB) is {(A)} AB...

2 students in Beirut decided to make a http://www.naharnet.com/domino/tn/Newsdesk.nsf/0/1558BF25392CFD89C22572AB002A2895?OpenDocument" about a bomb at their school. They got caught. I'd say that the authorities should send them to live in...

practice exam question HELP PLEASE! hi guys, I've been going through my past exam papers and i found this question. my lecturer says that a similar question will be on my exam but i haven't got any idea how to do it :cry: can anybody help me please? i have to determine the current through...

Homework Statement Find the exact solution to this problem y'=4x–y+9;y(0)=6 The Attempt at a Solution I am panicing because I have an exam tomorrow and I can't remeber a lot of the basics for diff eq. I tried to solve this using 2nd order style... first I made it y'-y=4x+9...

Question 1 says "Is the bouquet* of two 2-spheres a surface"? How does this question even makes sense? A surface is a paracompact Hausdorff 2-manifold w/o boundaries, and a manifold is a topological space plus an atlas. Here, no atlas is provided! *...

is there a serious IQ exam to be taken on the internet? if possible for free, just feel curious about my IQ

Homework Statement Two identical soccer balls are released from rest from the top of ramp consisting of a straight section connected to a circular section having the shape shown at right (height of ramp from where ball is released to bottom of curve is 4.0m. The radius of the curve is 1.5m)...

Hey guys, I was wondering if anyone had some suggestions for review books for the Fundamentals of Engineering (FE) exam. I searched amazon.com for books, but there are SO many with mixed reviews that I am having trouble finding a book to study from. I am looking for two books: one for the...

Okay, yesterday I went to write my physics test, but somehow they thought I was scheduled to write my calculus test. I had my graphing calculator ready to go for the physics test and they gave me my calculus test (I didn't know it was calculus at this point) and sent me off to the exam room. I...