Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 2 - Linear and Quadratic Functions - Section 2.2 Building Linear Models from Data - 2.2 Assess Your Understanding - Page 133: 7


Linear relation, slope is negative

Work Step by Step

Consider the given scatter diagram. We see that the points on the diagram seem to decline from left to right with a constant slope. Hence the relation is linear and since the points are decreasing, we have $m<0$.
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