Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.1 - Reading Graphs and the Rectangular Coordinate System - Exercise Set - Page 203: 78

Answer

a. $(2, 3)$ b. $(-1, 5)$ c. $(-3, -2)$ d. $(3, -1)$ e. $(5, 0)$ f. $(0, -3)$

Work Step by Step

a. Quadrant 1 is where both x-coordinate and y-coordinate of a point are positive values. b. Quadrant 2 is where the x-coordinate is a negative value and y-coordinate of a point is a positive value. c. Quadrant 3 is where both x-coordinate and y-coordinate of a point are negative values. d. Quadrant 4 is where the x-coordinate is a positive value and y-coordinate of a point is a negative value. e. When a point is on the x axis, it lies on the line $y=0$, so the y-coordinate must be 0. f. When a point is on the y axis, it lies on the line $x=0$, so the x-coordinate must be 0.
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