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Getting ready for calculus but still feel a bit confused? Have no fear. Pre-Calculus For Dummies is an unintimidating, hands-on guide that walks you through all the essential topics, from absolute value and quadratic equations to logarithms and exponential functions to trig identities and matrix operations.
With the help of this clear, easy-to-use resource, you’ll soon get a handle on all of the concepts — not just the number crunching — and understand how to perform all pre-calc tasks, from graphing to tackling proofs. You’ll also get a new appreciation for how these concepts are used in the real world, and find out that getting a decent grade in precalc isn’t as impossible as you thought. Discover how to:
- Apply the major theorems and formulas
- Understand quadratic, square-root, absolute value, cubic, and cube-root functions
- Graph trig functions like a pro
- Flip-flop with inverse functions
- Find trig values on the unit circle
- Work with trig identities and advanced identities
- Tackle analytic geometry
- Solve oblique triangles with the laws of sines and cosines
- Use polar coordinates to express points on a plane
- Identify function limits and continuity
- Place vectors on a coordinate plane.
- Rotate and shift conic section forms
- Solve systems with mingling and matrices
If “the fun and easy way to learn pre-calc” seems like an oxymoron to you, order Pre-Calculus For Dummies today, and get ready to be surprised!
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- ISBN13: 9780470169841- Condition: USED - VERY GOOD
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By Mario Ghecea (Burbank, CA)
It seems the authors break their own rule in the first chapter on PEMDAS. This is a simple problem, but they wrote it out wrong in answers where they perform addition and subtraction first before multiplication. I think it should be the other way around. i.e. Ex 4 - Ch 1. abs(5 * 1 - 4 + 6) = 7 not 9. Every monkey knows multiplication is performed first. I'm not sure what the authors were thinking starting with subtraction first???I'm kinda blushing here...I punched this into my TI-89 Titanium and I get the same answer as I had come up with for the nominator. Calculators follow PEMDAS rule, so am I missing something here? Please, put an errata up people and have a forum, otherwise your books are useless. This is a refresher for me as I'm going in for calculus next fall. Mistakes as such would flunk a student in those courses...
By Reviewing for Calc Class (USA)
p. 107
#4
"Figure 5.5 illustrates this last step, which yields the parent log's graph". If you look at the graph, it is labeled f(x)=log^x. The parent log being graphed is f(x)=logx. Two very different equations.
I checked Wiley's website. I cannot find errata for this book.
By TLM (Miami, FL USA)
I translate for engineering students from foreign countries, and I use this book to help me with my limited knowledge of Calculus, pre-Calculus, etc. I find all the "for Dummies" series very helpful.
By Bruno
The aim of this book is to introduce the subjects of pre-calculus in an easy, yet complete way. For the most part it accomplish it's objective, nevertheless, it has some typos and errors that will cause the student to get confused (i.e. the first time the student is shown the formula for the difference of cubes the book says something like this (a-b)(a^2+ab+b^3) which is wrong and in latter examples the formula takes the correct form of (a-b)(a^2+ab+b^2) which causes some confusion). Overall, this is a very good book specially for a review of the subjects.
UPDATE
P.105 Changing a Log's Base
log5/log3 does not equal ln3/ln5... it should read log5/log3 = ln5/ln3.
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