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: 18

Answer

See image .

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. --- Plotting $(\displaystyle \frac{7}{2},\frac{5}{2})$, we start at the origin, move $3.5$ units to the right, and then $2.5$ units upwards. The point is in quadrant I
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