TAILIEUCHUNG - Master the Gre 2010 - Part 21

Peterson's Master the Gre 2010 - Part book includes 9 full-length practice tests , thorough reviews of every section on the exam, and expert tips and strategies from a test prep pro. GRE (Graduage Record Examination General Test) is a commercially-run standardized test and an admission requirement for many graduate schools in USA and other English-speaking countries. GRE can earn you between 200-800 points. | Chapter 8 Quantitative Comparison 183 QUANTITATIVE COMPARISON STRATEGIES Just as with GRE Problem Solving handling Quantitative Comparisons requires that you know the fundamentals of arithmetic algebra and geometry no doubt about it and that s what the math review in the next part of this book is about. But the test designers craft Quantitative Comparisons to gauge not only your math knowledge but also your mental agility flexibility and creativity in applying it. Quantitative Comparisons are designed for example to measure your ability to do the following See the dynamic relationships between numbers. Recognize the easiest quickest or most reliable way to compare quantities. Visualize geometric shapes and relationships between shapes. The examples here involve a variety of math concepts and all are at least moderately difficult. If you have trouble with a concept focus on it during the math review later in this part of the book. In this section of the chapter you ll learn some strategies and techniques that demonstrate these skills. These aren t merely tricks and shortcuts. Your facility in applying these techniques along with your knowledge of substantive rules of math is exactly what the test designers are attempting to measure. Know What Concept Is Being Tested Each Quantitative Comparison question focuses on a particular math concept. The Not every Quantitative first thing to do is look at the centered information and the expressions in the columns r Comparison question you to determine what s being covered. This step can often help you get a head start in encounter on the GRE is making the comparison. suitable for one of these 4. 2x2 9x 5 strategies but some are so Column A Column B it s a good idea to become x 5 familiar with them. The correct answer is D . Notice that the centered equation is quadratic and that the two quantitative expressions essentially ask you to find the value of x. You know that quadratic equations have two roots and this is the .

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