Test:
Transformation Geometry II - Normal
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Question 1:
Find the reflection of the triangle
A
B
C
across the
y
=
−
x
line
A
A
′
(
1
,
−
1
)
,
B
′
(
1
,
−
3
)
,
C
′
(
3
,
−
1
)
B
A
′
(
−
1
,
1
)
,
B
′
(
−
1
,
3
)
,
C
′
(
−
3
,
1
)
C
A
′
(
1
,
1
)
,
B
′
(
1
,
3
)
,
C
′
(
3
,
1
)
D
A
′
(
−
1
,
−
1
)
,
B
′
(
−
1
,
−
3
)
,
C
′
(
−
3
,
−
1
)
Question 2:
Find the reflection of the triangle
A
B
C
across the
y
=
−
x
line
A
A
′
(
2
,
1
)
,
B
′
(
0
,
−
4
)
,
C
′
(
4
,
−
2
)
B
A
′
(
−
2
,
−
1
)
,
B
′
(
0
,
4
)
,
C
′
(
−
4
,
2
)
C
A
′
(
−
2
,
1
)
,
B
′
(
0
,
−
4
)
,
C
′
(
−
4
,
−
2
)
D
A
′
(
2
,
−
1
)
,
B
′
(
0
,
4
)
,
C
′
(
4
,
2
)
Question 3:
Find the coordinates of the triangle
A
B
C
enlarged by a scale factor of
3
and centered about the origin
A
A
′
(
−
2
,
3
)
,
B
′
(
2
,
2
)
,
C
′
(
1
,
5
)
B
A
′
(
1
,
3
)
,
B
′
(
5
,
2
)
,
C
′
(
4
,
6
)
C
A
′
(
−
6
,
0
)
,
B
′
(
6
,
−
3
)
,
C
′
(
3
,
9
)
D
A
′
(
−
3
,
0
)
,
B
′
(
3
,
−
1
1
2
)
,
C
′
(
1
1
2
,
1
3
)
Question 4:
Find the coordinates of the triangle
A
B
C
enlarged by the scale factor of
1
2
and centered about the origin
A
A
′
(
−
4
,
0
)
,
B
′
(
4
,
4
)
,
C
′
(
0
,
6
)
B
A
′
(
−
2
,
−
1
)
,
B
′
(
2
,
1
)
,
C
′
(
0
,
2
)
C
A
′
(
−
8
,
−
4
)
,
B
′
(
8
,
2
)
,
C
′
(
0
,
8
)
D
A
′
(
−
2
,
−
2
)
,
B
′
(
6
,
2
)
,
C
′
(
2
,
4
)
Question 5:
Find the coordinates of the triangle
A
B
C
rotated by
90
∘
about the origin
A
A
′
(
0
,
0
)
,
B
′
(
0
,
3
)
,
C
′
(
−
3
,
0
)
B
A
′
(
0
,
0
)
,
B
′
(
3
,
0
)
,
C
′
(
0
,
−
3
)
C
A
′
(
0
,
0
)
,
B
′
(
−
3
,
0
)
,
C
′
(
0
,
−
3
)
D
A
′
(
0
,
0
)
,
B
′
(
0
,
−
3
)
,
C
′
(
3
,
0
)
Please note, you have solved only half of the test. For the complete test get a Must Have account.
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