April 2019
Beginner to intermediate
400 pages
11h 57m
English
Content preview from GRE For Dummies with Online Practice, 9th Edition
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Chapter 9
Algebra: Finding What X Really Means
IN THIS CHAPTER
Working with bases and exponents
Dealing with variables to solve algebraic expressions
Digging deep into roots and radicals
Plotting points, lines, and slopes with coordinate geometry
Manipulating functions and sequences
Algebra is a branch of mathematics that uses numbers, letters, and operations to represent the concepts and rules of mathematics. Through an understanding of these concepts and rules, you’re often able to use what you know (the information a question provides) to determine what you don’t know, such as the value of x. You’ve probably already solved lots of algebra questions in junior high and high school and perhaps even in your college courses. You just need a refresher to get your head back in the game.
This chapter reveals everything you need to know about algebra to be fully prepared for the test. It starts slowly with bases, exponents, and variables such as x and y and gradually moves on to complicated ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.