I just took my first CLEP Precalculus and thought I would post some feedback on the forum since it seems to be lacking information on the exam.
I studied roughly a week in total and ended up with a 65.
I studied:
- An IB HL Mathematics Book
- REA Precalculus CLEP Book
- Precalculus Demystified
- Most of the practice problems came from the IB HL mathematics book. The calculus demystified is a good book but lacks a lot of practice problems and I feel its good for covering gaps but, I would supplement it with an actual textbook of some sort.
- The REA precalculus book was not really used for studying and its exactly what it claims to be, a review book. It won't really help you learn any of the material but, it does cover most / if not all the material on the exam. The practice exams in the back are extremely useful as well. I focused my studying around taking practice tests and going back and marking which questions I got wrong. I then went and did those sections out of my IB HL math book.
- The REA precalculus practice tests are probably a bit harder than the actual exam so don't worry too much if a few of the things seem rather difficult. It tested on synthetic division and the remainder theorem, neither of which ended up on my test. Of course, that doesn't mean it won't end up on your test.
I logged 140 pages of math in the week that I studied. The only thing I really regret doing is following my textbook each section all the way through. Don't get caught up in major specifics of each topic. You probably won't need to solve any extremely difficult or complex problems. Most of the problems I solved just tested if I knew the topic and its basic/ intermediate applications.
As for the topics on the exam:
Logarithms
- Know all the formulas pertaining to them as well as formulas/rules pertaining to exponential numbers (combining, dividing, multiplying, subtracting etc)
Natural Logarithms
- Same as logarithms. Know all the Formulas pertaining to Natural Logarithms as well. Know Euler's Number (e).
Trigonometry
- One of the most important sections on the exam. Including direct trigonometry questions it permeates more than 30-40% of the exam.
- Know formulas
- Know identities
- Know compound angles
- Know double angles
- Know complementary angles
- Know negative angles
- Know Cosine rule
- Know Sine rule
- Know reciprocal trigonometric functions
- Know General sine and cosine functions and how amplitude, period, horizontal and vertical shift are affected.
- Know when identities are positive and negative as well as how to convert them into each other and their relations to each other.
- Know how to find the arc length and how to convert radians into degrees and the reverse.
- Know the range of trigonometric identities and also the domain.
- Know how to find the area of a triangle.
Functions
- Know the quadratic formula
- Know discriminant
- Know formulas of quadratic equations and how they are affected as well as how to find the vertex.
- Know cubic functions and linear functions and how to factor and manipulate them.
- Know how to find the inverse of the function as well.
- Know the domain and range of functions.
- Know Inequalities
Circles
- Know the formula of circles, radius, and diameter.
Conics
- Know the formulas for Hyperbolas, Ellipses, how to find the vertex, foci, and center of both.
Random Stuff
- You should be relatively good on multiplying radicals with whole numbers, dividing, multiplying, and other basic math functions. On the non calculator section you'll need to make good use of basic math skills.
- Be good with the graphing calculator. The calculator section is exceedingly easier than the non calculator section because you are able to punch functions in to the calculator without needing without actually knowing how to solve the function. The table feature is nice because you are able to immediately type in answers to see if they are correct. The graphing ability allows you to find the intersects of equations and also 0's. The non calculator tests raw knowledge and you need to think a lot more for that part. It relies more on as I said, raw knowledge and also tests more in depth than the calculator section.
- Its a multiple choice test, never fail to take advantage of that. Eliminate answers as you go. It saved me a lot of time on finding translations of functions.
- Graphing Calculator link is Here. The trial lasts for something like 30 days so be at least familiar with it so you don't freak out on the exam day when it is completely different than your TI. In some ways its more efficient than the TI's basic functions. The way in which you can find intercepts and set table values seems to be faster in my opinion.
- Here is the Precalculus: At A Glance sheet that covers all the topics and gives 7 practice problems as well.
- I may have over studied a bit in some areas or missed some areas but, its what I recall from the exam as well what I had studied, which was purely focused from the REA book practice tests. It should give anyone wanting to take the test a relatively accurate area to study. None of the sub sections or the topics were written in any relative order of importance and only as they popped into my mind. I will place a importance on trigonometry though which is supposed to make up 30-40% of the questions.
I guess thats just about all I have for now so, hopefully somebody will find this either mildly amusing or helpful.
I studied roughly a week in total and ended up with a 65.
I studied:
- An IB HL Mathematics Book
- REA Precalculus CLEP Book
- Precalculus Demystified
- Most of the practice problems came from the IB HL mathematics book. The calculus demystified is a good book but lacks a lot of practice problems and I feel its good for covering gaps but, I would supplement it with an actual textbook of some sort.
- The REA precalculus book was not really used for studying and its exactly what it claims to be, a review book. It won't really help you learn any of the material but, it does cover most / if not all the material on the exam. The practice exams in the back are extremely useful as well. I focused my studying around taking practice tests and going back and marking which questions I got wrong. I then went and did those sections out of my IB HL math book.
- The REA precalculus practice tests are probably a bit harder than the actual exam so don't worry too much if a few of the things seem rather difficult. It tested on synthetic division and the remainder theorem, neither of which ended up on my test. Of course, that doesn't mean it won't end up on your test.
I logged 140 pages of math in the week that I studied. The only thing I really regret doing is following my textbook each section all the way through. Don't get caught up in major specifics of each topic. You probably won't need to solve any extremely difficult or complex problems. Most of the problems I solved just tested if I knew the topic and its basic/ intermediate applications.
As for the topics on the exam:
Logarithms
- Know all the formulas pertaining to them as well as formulas/rules pertaining to exponential numbers (combining, dividing, multiplying, subtracting etc)
Natural Logarithms
- Same as logarithms. Know all the Formulas pertaining to Natural Logarithms as well. Know Euler's Number (e).
Trigonometry
- One of the most important sections on the exam. Including direct trigonometry questions it permeates more than 30-40% of the exam.
- Know formulas
- Know identities
- Know compound angles
- Know double angles
- Know complementary angles
- Know negative angles
- Know Cosine rule
- Know Sine rule
- Know reciprocal trigonometric functions
- Know General sine and cosine functions and how amplitude, period, horizontal and vertical shift are affected.
- Know when identities are positive and negative as well as how to convert them into each other and their relations to each other.
- Know how to find the arc length and how to convert radians into degrees and the reverse.
- Know the range of trigonometric identities and also the domain.
- Know how to find the area of a triangle.
Functions
- Know the quadratic formula
- Know discriminant
- Know formulas of quadratic equations and how they are affected as well as how to find the vertex.
- Know cubic functions and linear functions and how to factor and manipulate them.
- Know how to find the inverse of the function as well.
- Know the domain and range of functions.
- Know Inequalities
Circles
- Know the formula of circles, radius, and diameter.
Conics
- Know the formulas for Hyperbolas, Ellipses, how to find the vertex, foci, and center of both.
Random Stuff
- You should be relatively good on multiplying radicals with whole numbers, dividing, multiplying, and other basic math functions. On the non calculator section you'll need to make good use of basic math skills.
- Be good with the graphing calculator. The calculator section is exceedingly easier than the non calculator section because you are able to punch functions in to the calculator without needing without actually knowing how to solve the function. The table feature is nice because you are able to immediately type in answers to see if they are correct. The graphing ability allows you to find the intersects of equations and also 0's. The non calculator tests raw knowledge and you need to think a lot more for that part. It relies more on as I said, raw knowledge and also tests more in depth than the calculator section.
- Its a multiple choice test, never fail to take advantage of that. Eliminate answers as you go. It saved me a lot of time on finding translations of functions.
- Graphing Calculator link is Here. The trial lasts for something like 30 days so be at least familiar with it so you don't freak out on the exam day when it is completely different than your TI. In some ways its more efficient than the TI's basic functions. The way in which you can find intercepts and set table values seems to be faster in my opinion.
- Here is the Precalculus: At A Glance sheet that covers all the topics and gives 7 practice problems as well.
- I may have over studied a bit in some areas or missed some areas but, its what I recall from the exam as well what I had studied, which was purely focused from the REA book practice tests. It should give anyone wanting to take the test a relatively accurate area to study. None of the sub sections or the topics were written in any relative order of importance and only as they popped into my mind. I will place a importance on trigonometry though which is supposed to make up 30-40% of the questions.
I guess thats just about all I have for now so, hopefully somebody will find this either mildly amusing or helpful.


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