Draw arrows from (0, 0) to the points v = (1, 2) and w= (-2, 1). Multiply their slopes. That answer is a signal that v • w = 0 and the arrows are
Draw arrows from (0, 0) to the points v = (1, 2) and w= (-2, 1). Multiply their slopes. That answer is a signal that v • w = 0 and the arrows are
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 36E
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