Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - 7.1 Graphing and Functions - Exercise Set 7.1 - Page 420: 84

Answer

The method of plotting a point in the rectangular coordinate system involves the counting of the units on the horizontal and the vertical axis.

Work Step by Step

Consider the rectangular coordinate system. To plot a point in the rectangular coordinate system, the unit is counted along the x-axis from the origin and similarly, the other unit is counted along the y-axis from the origin. A perpendicular line from each axis passes through these counted units. These perpendicular lines intersect at a point. This point is the required plot in the rectangular coordinate system. The coordinates are represented in a bracket holding the one value of the unit on the x-axis and the other value of the unit on the y-axis. This bracket holds the first value from the x-axis and the second value from the y-axis.
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