unit 3 lesson 3 – dilations on the coordinate plane
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Page 12 They are well scaled dilations - scale factor 2. They are the same shape and size. A TranslationTRANSCRIPT
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Unit 3Lesson 3 – Dilations on the Coordinate Plane
![Page 2: Unit 3 Lesson 3 – Dilations on the Coordinate Plane](https://reader036.vdocuments.us/reader036/viewer/2022082620/5a4d1af27f8b9ab05997ee5f/html5/thumbnails/2.jpg)
Page 12
C
A
B
C”
A B
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Page 12
They are well scaled dilations - scale factor 2. They are the same shape and size.
A Translation
![Page 4: Unit 3 Lesson 3 – Dilations on the Coordinate Plane](https://reader036.vdocuments.us/reader036/viewer/2022082620/5a4d1af27f8b9ab05997ee5f/html5/thumbnails/4.jpg)
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Reflection Rotation Translation
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Page 13
Yes, they change the size of a figure.
No, they change the size of a figure and rigid motions only change the position of the figure.
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All angle measure is preserved but the sides are three times larger.
All angle measure is preserved but the sides are smaller by half.
The figure is unchanged.
Multiplication
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(𝑘𝑥 ,𝑘𝑦 )
(4, -8)
(3, 5)
(2x2, -4X2)=
(9x, 15X)=
(-4, 6)(-16, 24)x
Scale factor of 4
(-4, 6)(-10, 15) Scale factor of X
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.𝑁
.𝐴.𝑃
N(2, 8)
A(-6, 0)
P(4, -2)
A’(-3, 0)
P’(2, -1)
N’(1, 4)
𝐷𝑜 , 12
.𝐴 ′.𝑁 ′
. P
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.𝐵 .𝐴
.𝐶
A(1, 3)
B(-2, 2)
C(0, -2)
B’(1, 0)
C’(3, -4)
A’(4, 1)
𝐷𝑜 ,2𝑇 3 ,− 2
A”(8, 2)
B”(2, 0)
C”(6, -8).𝐵 ′
.𝐴 ′
.𝐶 ′
.𝐵.𝐴
.𝐶
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Homework
•Page 17 - ALL