Preparing for the Regents Examination Geometry, AK

6-3 Line Reflections and
Symmetry
(pages 100–101)
1 (3) A
2 (3) V
3 (1) only vertical line symmetry
4 (2) 2
5 (3) (4, 7)
6 y-axis
7 both
8 x-axis
9 y-axis
10 P’(1, 8)
6
5
4
3
2
1
2
3
4
y
5
6
7
8
9
10
P(2, 4)
6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10
1
11 P’(3, 7)
P(3, 3)
P'(3, 7)
P'(1, 8)
8
7
6
5
4
3
2
1
y
y 2
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
1
12 P’(4, 1)
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
y
y 2
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
1
2
3
4
5
6
7
8
P'(4, 1)
y 2
P(4, 5)
30 Chapter 6: Transformations and the Coordinate Plane
x
x
x
13 (5, 2)
14 (2, 3)
15 (2, 5)
16 A’(2, 1), B’(3, 4), C’(4, 5)
C(4, 5)
8
7
6
5
4
3
2
1
y
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
1
A'(2, 1)
2
C'(4, 5)
3
4
5
6
7
8
B(3, 4)
A(2, 1)
B'(3, 4)
17 G’(0, 0), H’(4, 3), I’(1, 4), J’(5, 2)
5
I'(–1, 4)
4
H'(–4, 3)
3
I(1, 4)
J(–5, 2)
2
1
6
y
H(4, 3)
J'(5, 2)
6 5 4 3 21G
G'1
2 3 4 5 6
1
2
18 A’(3, 3), B’(5, 8), C’(1, 5)
y
10
9
8
7
6
B'(5, 8)
C'(1, 5 5)
4
3A'(3,
3)
B(8, 5)
2
1
6 5 4 3 2 1
1
2
3
4
A(3, 3)
1 2 3 4
C(5, 1)
5 6 7 8 9 10
x
y x
19 Q’(2, 4), Z’(3, 4), D’(1, 2)
5
Z'(3, 4)
4
Z(4, 3)
3
Q'(2, 4)
2
1
D'(1, 2)
6
y
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
1
D
Q(4, 2) (2, 1)
3
4
y x
x
x
x