The points (1, r) and (5,-9) lie on a line with slope -2. Find the missing coordinate r.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.3: Preparing To Do Analytic Proofs
Problem 3E: Find the slope of the line containing the points a a,0 and 0,a. b a,0 and 0,b.
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The points (1,) and (5, -9)
lie on a line with slope - 2. Find the missing coordinate r.
Transcribed Image Text:The points (1,) and (5, -9) lie on a line with slope - 2. Find the missing coordinate r.
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