# Get Algebra I For Dummies (For Dummies (Math & Science)) PDF

By Mary Jane Sterling

ISBN-10: 0470559640

ISBN-13: 9780470559642

I wished a short refresher simply because i'm activity searching and this occasionally comes up on interviews as a result of my career. I havent needed to use this sort of math for really your time although. I dont disagree even if with a few reviewers who've complained that the cloth will not be written for rookies. I needed to fight with a lot of the booklet and needed to move over yes chapters greater than as soon as. additionally, there's not approximately sufficient rationalization of convinced key ideas. you're anticipated, for instance, to simply accept advanced 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 very good support; actually, there's barely enough clarification of every suggestion in every one bankruptcy of the workbook that i may virtually suggest paying for the workbook in addition to the most textbook. in spite of everything, even though it used to be a fight every now and then, i used to be in a position to train myself algebra from this e-book, and was once in a position to 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 task 2 years after leaving my previous one, and used to be prompt that I can be able to resolution questions about it. i used to be panicked, simply because i used to be by no means a robust math scholar and have not taken a math type in additional than 20 years.

**Read or Download Algebra I For Dummies (For Dummies (Math & Science)) PDF**

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**Extra info for Algebra I For Dummies (For Dummies (Math & Science))**

**Example text**

It’s just that in the case of improper fractions, you have more than enough pieces to make one whole number. Improper fractions are fractions whose numerators are bigger than their denominators. Take a look at the following improper fractions: ✓ : After the party, Maria put all the left-over pieces of pizza together. There were 15 pieces, each plus seven pieces more. ✓ : A recipe calls for of a pizza. Maria has a whole pizza cup of sugar, but you want to double the recipe (you have a hungry family).

Indd 23 4/19/10 2:14 PM 24 Part I: Starting Off with the Basics Here are some examples of the factorial operation: ✓ 3! = 3 · 2 · 1 = 6 ✓ 6! = 6 · 5 · 4 · 3 · 2 · 1 = 720 ✓ 7! = 7 · 6 · 5 · 4 · 3 · 2 · 1 = 5,040 The value of 0! is 1. This result doesn’t really fit the rule for computing the factorial, but the mathematicians who first described the factorial operation designated that 0! is equal to 1 so that it worked with their formulas involving permutations, combinations, and probability. Getting the most for your math with the greatest integer You may have never used the greatest integer function before, but you’ve certainly been its victim.

To simplify the expression, you would normally just move from left to right, adding and subtracting in order, but rearranging the numbers works better. Use the commutative property to switch the 932 and –416: 417 + (–416) + 932 + (–432) + 800 Now group (associate) the first two numbers and the third and fourth numbers. Combine them and add up the results: (417 + [–416]) + (932 + [–432]) + 800 = 1 + 500 + 800 = 1,301 You can do the computation in your head when you use these handy properties. indd 34 4/16/10 11:03 AM Chapter 3 Figuring Out Fractions and Dealing with Decimals In This Chapter ▶ Changing how a fraction looks ▶ Practicing operations on fractions instead of on people ▶ Dividing whole pies into pieces ▶ Linking fractions to decimals A t one time or another, most math students wish that the world were made up of whole numbers only.

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

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