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## Official Guide Explanation:

Problem Solving #25

**Background**

This is just one of hundreds of free explanations I've created to the quantitative questions in The Official Guide for GMAT Review (12th ed.). Click the links on the question number, difficulty level, and categories to find explanations for other problems.

These are the same explanations that are featured in my "Guides to the Official Guide" PDF booklets. However, because of the limitations of HTML and cross-browser compatibility, some mathematical concepts, such as fractions and roots, do not display as clearly online.

Click here for an example of the PDF booklets. Click here to purchase a PDF copy.

**Solution and Metadata**

**Question****: 25**

Page: 155

Difficulty: **3** (Very Easy)

Category 1: Geometry > Coordinate Geometry > Other

**Explanation:** To find the x - coordinate, count the number of units on the x - axis (the horizontal one) from the intersection of the axis. Do the same vertically for the y - coordinate. Since the x - coordinate is to the right of the origin, it is positive; since the y - coordinate is below the origin, it is negative. Thus, since the x - coordinate is 7 units from the origin and the y - coordinate is 5 units from the origin, point V is (7, - 5), choice (E).

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