Consider the infinite geometry R^2, where points are (x, y) ∈R and lines are ax + by + c = 0 with a, b, c ∈R but not both a and b zero at the same time. Show that R^2, as defined above, is an Affine plane.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Consider the infinite geometry R^2, where points are (x, y) ∈R and lines are ax + by + c = 0
with a, b, c ∈R but not both a and b zero at the same time. Show that R^2, as defined above,
is an Affine plane.

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