By Mary Jane Sterling

ISBN-10: 0470559640

ISBN-13: 9780470559642

I wished a brief refresher simply because i'm task searching and this occasionally comes up on interviews because of my profession. I havent needed to use this kind of math for particularly some time although. I dont disagree in spite of the fact that with a few reviewers who've complained that the cloth will never be written for novices. I needed to fight with a lot of the publication and needed to cross over yes chapters greater than as soon as. additionally, there's not approximately adequate clarification of definite key techniques. you're anticipated, for instance, to just accept complex equation is an equation with an influence no more than 2 within which the equation is decided to equivalent 0. but the accompanying workbook used to be a superb aid; in reality, there's barely enough rationalization of every proposal in every one bankruptcy of the workbook that i may virtually suggest paying for the workbook in addition to the most textbook. after all, notwithstanding it used to be a fight every now and then, i used to be capable of train myself algebra from this publication, and used to be capable of take my placement examination with a passing grade. Like another commenters. i purchased this booklet simply because i'm trying to find a brand new activity 2 years after leaving my past one, and was once prompt that I may be able to resolution questions about it. i used to be panicked, simply because i used to be by no means a robust math pupil and have not taken a math classification in additional than 20 years.

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**Example text**

Realizing why smaller or fewer is better Why is better than ? Most people can relate better to smaller numbers. You can picture 4 out of 5 things in your mind more easily than you can picture 48 out of 60 — refer to Figure 3-1 if you don’t believe me. indd 41 4/16/10 11:04 AM 42 Part I: Starting Off with the Basics Figure 3-1: Forty-eight of 60, or 4 of 5? You decide. A few more situations may help you get this: ✓ A survey found that 162 out of 198 people preferred Bix Peanut Butter. reduces to , which offers clearer information as far as The fraction the preference for the peanut butter.

Could be . You do the same thing on the top and bottom of the fraction, so you really just divided by 1, which doesn’t change the value — just how it looks. Multiplying by one Any number multiplied by 1 equals that number: For any real number n, n × 1 = n. Like division, you can multiply by 1 and change how a fraction looks without changing its value. That is, 4×1=4 –8 · 1 = –8 In the case of fractions, instead of actually using 1, a fraction equal to 1 is used: Using the fractional value for the number 1 allows you to change how fractions look without changing their value.

Story problems are the whole point of doing algebra. Why do algebra unless there’s a good reason? Oh, I’m sorry — you may just like to solve algebra equations for the fun alone. ” Going through each step and using each tool to play this game is entirely possible. Simplify, factor, solve, check. That’s good! Lucky you. It’s time to dig in! indd 18 4/16/10 11:01 AM Chapter 2 Assigning Signs: Positive and Negative Numbers In This Chapter ▶ Signing up signed numbers ▶ Using operations you find outside the box ▶ Noting the properties of nothing ▶ Doing algebraic operations on signed numbers ▶ Looking at associative and commutative properties N umbers have many characteristics: They can be big, little, even, odd, whole, fraction, positive, negative, and sometimes cold and indifferent.

### Algebra I For Dummies (For Dummies (Math & Science)) by Mary Jane Sterling

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