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Translations vs Reflections
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Triangle ABC was translated 5 units left and 2 units down to create triangle A'B'C'. Which rule best represents this transformation.
 
(x,y) --> (x - 5, y - 2)
 
(x,y) --> (x + 5, y - 2)
 
(x,y) --> (x - 2, y - 5)
 
(x,y) --> (x + 2, y - 5)
Which reflection is shown between point A and point A'
 
Reflection over the y-axis
 
Reflection over the x-axis
Which reflection is shown between point G and point G'
 
Reflection over the x-axis
 
Reflection over the y-axis
Is the picture being reflected in the y-axis or x-axis?
 
Y-Axis
 
X-Axis
Point C (-5, 4) Reflect over the x-axis. What is C'?
 
(-5, -4)
 
(-5, 4)
 
(5, -4)
 
(5, 4)
What is the rule for a reflection over the y-axis?
 
(x,y)→(-x,y)
 
(x,y)→(-x,-y)
 
(x,y)→(x,-y)
 
(x,y)→(y,x)
What is the rule for a reflection over the x-axis?
 
(x,y)→(x,-y)
 
(x,y)→(y,x)
 
(x,y)→(-x,-y)
 
(x,y)→(-x,y)
The blue triangle is reflected over the x-axis. True or False?
 
False
 
True
What is the algebraic notation of a figure is Translated 6 units right and 5 units up?
 
(x, y) --> (x + 6, y + 5)
 
(x, y) --> (6x, 5y)
 
(x, y) --> (x + 5, y - 6)
 
(x, y) --> (x - 6, y + 5)
What transformation is happening? (x, y) ----> (x + 2, y - 3)
 
slide right 2, down 3
 
slide up 2, left 3
 
slide right 2, up 3
 
slide left 3, right 2
A point is translated 3 units left and 4 units up. What is the correct translation rule?
 
(x,y)→(x-3,y+4)
 
(x,y)→(x-3,y-4)
 
(x,y)→(x+3,y-4)
 
(x,y)→(x+3,y+4)
A type of transformation where a geometric figure slides horizontally, vertically, or both.
 
translation
 
dilation
 
rotation
 
reflection
A reflection ____________________.
 
flips or mirrors an object across a line.
 
turns a figure around a point.
 
changes the size of an object.
 
slides an object form one place to another.
The figure was translated 2 unit right and 1 unit down. Write a rule for the translation.
 
(x + 2, y - 1)
 
(x -1, y + 2)
 
(x -2, y + 1)
 
(x +1, y - 2)
Identify the transformation from ABCD to A'B'C'D'.
 
Translation
 
Reflection across Y axis
 
Reflection across x axis
Identify the correct description of the transformation.
 
Reflection across the x-axis
 
Translation 3 units down
 
Reflection across the y-axis
 
Translation 3 units up
Which is the pre-image (first one)?
 
Purple
 
Blue
What type of transformation is this?
 
Translation
 
Reflection
Is this a TRANSLATION or a REFLECTION?
 
Reflection
 
Translation
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