Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 3 - Section 3.1 - Graphing Linear Equations in Two Variables - Exercise Set - Page 220: 7

Answer

Quadrant IV .

Work Step by Step

In a plane, we define a rectangular coordinate system by drawing two perpendicular number lines, intersecting at their respective zeros. The horizontal number line is called the x-axis, and the vertical is the y-axis. The intersection of the axes is called the origin. An ordered pair corresponds to each point in the plane, with the first coordinate taken from the x-axis, and the second from the y-axis. The axes divide the plane into 4 regions called quadrants, of which we take the upper right to be quadrant I, and count the other three in the counterclockwise direction. --- Plotting $(6,-3.5)$, we start at the origin, move $6$ units to the right, and then $3.5$ units downwards. The point is in quadrant $IV$
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