Translations using Vectors

1. 9.1 Translations using Vectors
February 11, 2014
9.1 Translation using Vectors
Image: new figure
Preimage: original figure
Translation: slides every point the same distance
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2. 9.1 Translations using Vectors
February 11, 2014
Isometry: transformation that preserves length & angle
measure
(congruence transformation)
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3. 9.1 Translations using Vectors
February 11, 2014
Translation Theorem: A translation is an isometry.
B'
B
A
ABC ≅ A'B'C'
C'
A'
C
Vector: a quantity that has both direction and magnitude (size)
Vector FG: FG
G
Terminal (ending)
Point: G
Initial (starting)
Point: F
F
vertical component
horizontal component
Component Form: horizontal & vertical components 5,2
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4. 9.1 Translations using Vectors
February 11, 2014
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HW pg. 576 #4­28 even
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5. 9.1 Translations using Vectors
February 11, 2014
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HW pg. 576 #4­28 even
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6. 9.1 Translations using Vectors
February 11, 2014
HW pg. 576 #4­28 evens
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HW pg. 576 #4­28 even
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