SMART Notebook

Reflections
Name ______________________ Date ___________
Identify and draw the line of reflection. Write the equation that represents this line.
A
B
C
D
B'
C'
A
B
C
B'
C'
A'
D'
A'
1
y
Original
A (4, 2)
B (5, 5)
C (6,6)
C
B
A
x
Reflect the triangle ABC over the line x = 2
Draw and label triangle A'B'C'
What are the new coordinates?
A' ( ,
)
B' ( , )
C' ( , )
How do the coordinates from triangle ABC
compare to the coordinates of triangle A'B'C'?
C
B
Original
A (4, 2)
B (5, 5)
C (6,6)
A
x
Reflect the triangle ABC over the line y = 2
Draw and label triangle A'B'C'
What are the new coordinates?
A' ( , )
B' ( , )
C' ( , )
How do the coordinates from triangle ABC
compare to the coordinates of triangle A'B'C'?
2
y
Original Reflect the triangle ABC over the line y = -1
A (-6, 2) Draw and label triangle A'B'C'
B (-3, -1)
C (-5, -2) What are the new coordinates?
A
x
A' ( ,
B' ( ,
C' ( ,
)
)
)
B
How do the coordinates from triangle ABC
compare to the coordinates of triangle A'B'C'?
C
Original Reflect the triangle ABC over the line x = -1
A (-6, 2) Draw and label triangle A'B'C'
B (-3, -1)
C (-5, -2) What are the new coordinates?
A
x
A' ( ,
B' ( ,
C' ( ,
)
)
)
B
C
How do the coordinates from triangle ABC
compare to the coordinates of triangle A'B'C'?
3
Name ___________________________ Date ___________
Reflection and Translation Review
Reflect over the x-axis
Reflect over the y-axis
A (2,5)
A (2,5)
B (3, 3)
D (1,2) C (3, 1)
Reflect over the y=x line
A (-2,5)
B (4, 2)
C (1, 1)
Reflect over the y=-x line
A (2,5)
(4, 3)
B
B (-1, 3)
C (-3, 2)
D (1,2)
C
(4, 2)
4
5

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