Vocabulary
Translations
Reflections
True or False
100
FLIP the image
Reflection
100
The "image" of triangle ABC after a reflection is labeled....
A' B' C'
100
A(-4,3) B(-2,3) C (-2,6) Reflect over the y axis
A' (4,3) B'(2,3) C' (2,6)
100
Pre-image is the picture AFTER the transformation
False...the pre-image is BEFORE
200
Same Size, Same Shape, Same Angles
Congruent
200
Translate Triangle ABC down 3 units A: (2,5) B: (4,5) C(2,1)
A': (2,1) B': (4,2) C': (2,-2)
200
A: (2,4) B: (2,1) C: (5,1) Reflect over X
A' (2,-4) B': (2,-1) C': (5,-1)
200
We label NEW shapes with a ' symbol which means prime
true
300
Slide an image
Translation
300
Translate Triangle ABC left 3 units and down 3 A: (4,4) B: (4,6) C: (6,4)
A': (1,1) B': (1,3) C':(3,1)
300
A: 2, -3 B: 4, -3 C: 4,-1 Reflect OVER Y axis
A': (-2, -3) B': (-4, -3) C' :(-4, -1)
300
Our hands are NOT symmetrical
false' they are symmetrical, they line up perfectly
400
A change in form or appearance (hint: there is a hashtag for this on social media on tuesdays (: )
Transformations
400
A: (3,4) B:(6,4) C:(3,7) Translate 7 units to the left and 8 units down.
A'(-4,-4) B' (-1,-4) C'(-4,-1)
400
Reflect over X! A: (-2,-4) B: (-2,0) C: (-4,-4)
A' (-2,4) B'(-2,0) C'(-4,4)
400
Translations are to Rotate the image
False..Slide
500
The line we use for reflections
Line of Reflections
500
A(3,4) B(6,4) C(3,7) Reflect over X
A' (3,-4) B: (6,-4) C: (3,-7)
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