Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 4 - Writing Linear Functions - Maintaining Mathematical Proficiency - Page 173: 11

Answer

The location of a point in quadrant I is changed to Quadrant III and the location of a point in quadrant II is changed to quadrant IV. The location of a point in quadrant III is changed to quadrant I and the location of a point in quadrant IV is changed to quadrant II.

Work Step by Step

When both coordinates are multiplied by a negative number, the signs of x and y-coordinates are reversed. Therefore, the location of a point in quadrant I is changed to Quadrant III and the location of a point in quadrant II is changed to quadrant IV. The location of a point in quadrant III is changed to quadrant I and the location of a point in quadrant IV is changed to quadrant II.
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