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PreCalculus CLEP
#21
It looks like there might actually be a wrong answer on the practice test. I thought I would run them by you guys to see what you think:

[Image: 5925227538_5f90e15fc4.jpg]

So, doesn't the answer seem to be D (I & III)?

The answer in the book is A (None).

How can this be? It simplifies down to y = x - 3.

Is it possible that the vertical asymptote in the denominator in the unsimplified form takes precedence somehow? Do you think the book is wrong?
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#22
I think the book is correct. Because (x-2) is in both the numerator and the denominator in equal amounts then there is neither an x-intercept nor a vertical asymptote. I think it would be a hole at y= -1 (plugging that x=2 into the reduced function y= x-3.) Since there is a hole then the range is all real numbers except where y=-1.
Not sure though.
[SIZE="1"]CLEP Exams Taken:
College Algebra (59)- 2008
Human Growth and Development (78)-2009
Intro to Educational Psychology (71)-2010
College Mathematics (76)- 2011
Pre-Calculus (73)- 2011

Next in Line:
Revised GRE :eek:- 2011[/SIZE]
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#23
I think you are right, actually. Thanks.
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#24
Well, I decided to take a gamble today and took the PreCalc exam.

--and passed with a 56/50. I am SO glad to have that over with. I am not a math person, so this test was a huge challenge for me. I studied for several months (I mean, really studied hard). This is such a relief.

I would say the following about it (without getting overly specific, obviously):

* The test was surprisingly broad in scope. I definitely wouldn't recommend just cramming and taking the test unless you have significant prior exposure. There were many items that were not specifically addressed in the official CLEP practice test nor the REA book.

* The official CLEP practice test was a pretty accurate gauge of the test difficulty, in my opinion. The REA guide was significantly harder, as others have noted.

* Honestly, I wouldn't recommend taking this test unless you have no alternative. Self-studying a year's worth of Pre-Calculus and taking it a test on it all at once is far tougher than just taking a class, in my opinion. This test is definitely not the "easy way out" unless, again, you are a serious math guru or you have already seen it before somewhere else.
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#25
Oh and I should probably mention that I read on the following to prepare:

"The Complete Idiot's Guide to PreCalculus" (the first book I read)

"PreCalculus Demystified"

"REA CLEP PreCalculus"

"REA Problem Solvers PreCalculus"

And the official study guide.

I also used TutorVista for assistance with some items that I was struggling with. They were actually quite helpful (for the most part).
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#26
I also took it today and passed with a 73! Pulled an all-nighter but everything came together just in time. I took about 30-40 mins before the test to just pour out the formulas, identities, and graphs I had prepared for easy reference. I only used the website Purple Math Practical Algebra Lessons and the Official CLEP study guide with very small amounts of other resources for specific clarification. Purple math is a great resource, I used them for College Math too.

I organized my stacks of notecards into 3 types of practice problems and then I also had my main identity/formula/ect stack of note-cards. That stack was duplicated into two stacks: one reference stack and a partial fill-in the blank version. I'll post the headings of that list and my narrowed down list (of the things I had practiced writing down specifically to reference during the test) since Every area was hit. The system worked out really well since I had such a short amount of time to study. I have a liking for math but since my memory is on the weak side logically and physically linking the topics really helped. I'll also link the other thread I originally used to start off. I also have a couple other topics I want to add that I felt really haven't been emphasized much. Definitely don't underestimate the exam. It will take a strong combo of the practice and logic connections to pull you through!
[SIZE="1"]CLEP Exams Taken:
College Algebra (59)- 2008
Human Growth and Development (78)-2009
Intro to Educational Psychology (71)-2010
College Mathematics (76)- 2011
Pre-Calculus (73)- 2011

Next in Line:
Revised GRE :eek:- 2011[/SIZE]
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#27
Wow. A 73. That's the highest PreCalculus CLEP score I've ever heard of. Good job.
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#28
Thanks Tog! Did you still find the by-hand portion to be harder than the calculator portion? Like with the practice exam I found the calculator part to be harder. I was even surprised to learn a few new ways I could use it during the exam even though I couldn't get one of those methods to work.

So this is the forum thread I originally based my studying on: http://www.degreeforum.net/general-educa...#post90632
Again I would highly suggest using Purple Math. If the subject is based in previous knowledge then purple math will normally tell you and provide a link back to what you should already know. Very helpful! I agree that the Official CLEP practice exam is an accurate representation of the level of difficulty. I had also taken part of one of the Peterson exams but their test was unreasonably tricky. Self-studying without serious prior exposure would be tough, especially if you are not a math person. I really enjoyed this material in high school so I was able to more quickly pick up on the topic relations and where my weak points where without too much practice. Without the knowledge of how the topics are supposed to relate self-studying for this would have been much, much harder. I also had just taken College Math last month which helped solidify my basics. Don't cram for this exam!

1. Log
a) Natural Log --> Log --> Exponent
b) Log Rules
c) Change of Base
d) Exponent Rules
e) Root/Special Factoring Rules

2. Trig Identities
a) Double-Angle
b) Pythagorean (identity-based)
c) Half-Angle (x/2 and squared forms)
d) Sum and Difference Tangent
e) Basic Trig Relations
f) SOH-CAH-TOA

3. Trig-related Formulas
a) Distance
b) Pythagorean Theorem
c) Law of Cosines and Sines Short

4. Graphing Quadratics
a) Slope Formula
b) Quadratic Function Basic Form
c) Vertex Formula and Form
d) Example Graph: Log, Exponent, Radical
e) Domain and Range
f) Asymptotes Vertical, Horizontal
g) Discriminate

5. Graphing Conics
a) Circle Equation
b) Ellipse Equation, Formula, Define A/B/C
c) Area Circle --> Area Sector, Circumference --> Arc Length

6. Graphing Trig
a) Cosine and Sine Graph Key Points
b) Tangent and Cotangent Key Points
c) Secant and Cosecant Key Points
d) Basic Form and Translation Identification
e) Reflection
f) Symmetry

7. Unit Circle

That was my list I typed up in order to organize my already labeled note-cards. The arrows mean I remembered it by linking a specific version of the forms. I would know the list! Also, in my practice cards, I emphasized practice in solving inequalities, absolute value inequalities, working with radicals, exponents, and logs. Some topics I wish I understood better or practiced more in which include reflection and symmetry (which I had thrown in a few hours before the exam), hyperbola, odd and even functions and their graphs, composites(!), inverse functions, and intersecting functions. Although I can't tell specifics of what I actually saw on the exam it really doesn't matter because you should really just expect to understand all that Pre-Calc has to offer anyway. :p Essentially it's knowing everything and everything's graph. Lol.

Below is the list I practiced writing out to reference during the exam:
1. Log
a) Natural Log --> Log --> Exponent
e) Special Factoring Rules

2. Trig Identities
a) Double- Angle
b) Pythagorean (identity-based)
c) Half-Angle (x/2) and Squared
d) Sum and Difference Tangent
e) Basic Trig Relations
f) SOH-CAH-TOA

3. Trig-related Formulas
c) Law of Cosines and Sines Shorts

4. Graphing Quadratics
c) Vertex Formula and Form
d) Example Graph: Log, Exponent, Radical
f) Asymptotes Vertical, Horizontal
g) Discriminate

5. Graphing Conics
c) Area Circle --> Area Sector, Circumference --> Arc Length

6. Graphing Trig
a) Sin; Cos; Tan; Cotan; Csc; Sec Key Point Graphs
d) Basic Form and Translation Definitions
e) Reflection; Symmetry Rules

7. Unit Circle

Hope that helps!
[SIZE="1"]CLEP Exams Taken:
College Algebra (59)- 2008
Human Growth and Development (78)-2009
Intro to Educational Psychology (71)-2010
College Mathematics (76)- 2011
Pre-Calculus (73)- 2011

Next in Line:
Revised GRE :eek:- 2011[/SIZE]
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#29
Nice job, guys Smile
[SIZE="1"]
Bachelor of Science in Psychology, Excelsior College 2012
Master of Arts in International Relations, Staffordshire University, UK - in progress

Aleks
All courses taken, 12 credits applied
CLEP
A&I Literature (74), Intro Sociology (72), Info Systems and Computer Apps (67), Humanities (70), English Literature (65), American Literature (51), Principles of Mangement (65), Principles of Marketing (71)
DSST
Management Information Systems (469), Intro to Computing (461)
Excelsior College
Information Literacy, International Terrorism (A), Contemporary Middle East History (A), Discrete Structures (A), Social Science Capstone (A)
GRE Subject Test
Psychology (93rd percentile, 750 scaled score)
Straighterline
English Composition I&II, Economics I&II, Accounting I&II, General Calculus I, Business Communication

Progress history[/SIZE]
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#30
I found the calculator portion to be a bit more difficult than the non-calculator section. I have heard other people state the opposite.

I would definitely recommend practicing with the calculator before taking the test. It is a powerful calculator, but I did not find it to be intuitive at first. I also dislike the fact that you apparently can't maximum, or at least increase, the graph window size so you have to spend a lot of time zooming in and out in an inefficient manner.
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