
reflections
Presentation
•
Mathematics
•
8th Grade
•
Hard
Emma Scott
Used 8+ times
FREE Resource
3 Slides • 2 Questions
1
reflections
reflections are a transformation where a figure is flipped over a line. Also called flip.
2
Vocabulary you will need to know
Transformation: an operation that maps a geometric figure, pre image, onto a new figure, image.
Image: the resulting figure after a transformation
Pre image: the original figure before a transformation
3
Multiple Choice
What is the correct way pairs for the triangle ABC across the x-axis. The pre image points are : A(2,2), B(2,6), C(5,6)
A'(2,-2)
B'(2,-6)
C'(5,-6)
A'(0,3)
B'(2,-5)
C'(0,-4
A'(-2,2)
B'(-2,6)
C'(-5,6)
A'(2,6)
B'(5,2)
C'(2,2)
4
How to find the reflection
Step 1: determine if you are going across the x or y-axis
Step 2: y-axis = the x-values change, x-axis = the y-values change
Step 3: determine the new points
Step 4: graph the new image
5
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reflections
reflections are a transformation where a figure is flipped over a line. Also called flip.
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