3. Show that a reflection a in the x-axis defined by a(x, y) = (x, – y) is an isometry.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.2: Ring Homomorphisms
Problem 6E
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3. Show that a reflection o in the x-axis defined by a(x, y) = (x, – y) is an isometry.
4. Find a translation that maps A(2, -3) onto B(4,–2).
Transcribed Image Text:3. Show that a reflection o in the x-axis defined by a(x, y) = (x, – y) is an isometry. 4. Find a translation that maps A(2, -3) onto B(4,–2).
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