Translation
Reflection
Rotation
Dilation
???
100
A translation can move a shape in these four directions...
Left, right, up, and down
100
What is the rule for a reflection over the x-axis?
(x,y)->(x,-y)
100
What is the rule for a 180° rotation around the origin?
(x,y)->(-x,-y)
100
If point A(8,3) is dilated with a scale factor k=5 , where is point A' located?
A'(40,15)
100
True or False: A geometric dilation is one of the three rigid transformations.
FALSE
200
What is the coordinate rule for a translation of 9 units to the right and 1 unit down?
(x,y)->(x+9,y-1)
200
Which line of reflection has the reflection rule (x,y)->(y,x) ?
y=x
200
The point E(3,9) is rotated 270° CCW around the origin. What quadrant is point E' in?
Quadrant IV
200
If point B(9,3) is dilated with a scale factor k=1/3 , where is point B' located?
B'(3,1)
200
The pre-image of a rotated shape is in quadrant 2. If the shape was rotated 270° CCW, what quadrant is the image in?
Quadrant I
300
The point A(5,2) is translated 7 units to the left and 4 units up. What are the coordinates of A' ?
A'(-2,6)
300
The point F(-3,2) has been reflected over the x-axis. What quadrant is point F' in?
Quadrant III
300
The point Z(-3,0) is rotated 90° CW around the origin. What are the coordinates of Z' ?
Z'(0,3)
300
If a shape if dilated by a scale factor k=4 , then dilated again by a scale factor k=1/4 , is the resulting image bigger, smaller, or congruent to the pre-image?
Congruent
300
If a scale factor k > 1 enlarges a shape, and a scale factor 0 < k < 1 reduces a shape, what does a scale factor k = 1 do to the shape?
Keeps the shape congruent
400
The point D(-4,9) is translated using the rule (x,y)->(x-3,y+6) . Where is point D' located?
D'(-7,15)
400
The point L(8,-9) is reflected over the line y=-x . Where is L' located?
L'(9,-8)
400
What is the coordinate rule for the following rotation:
(x,y)->(-y,x)
400
What is the scale factor for the following dilation:
k=2
400
Is a dilation of 7/5 an enlargement or reduction?
Enlargement
500
What is the coordinate rule for the following translation:
(x,y)->(x+4,y-1)
500
The point A(1,2) is reflected over a line, resulting in A'(3,2) . What is the line of reflection? (Hint: there is no rule for this line!)
x=2
500
The point X is rotated 90° CCW around the origin. If the new point (image) is located at (-6,-7) , what are the coordinates of the original point (pre-image)?
(-7,6)
500
If point L' is located at (5,5) , what scale factor was used when dilating point L ?
k=5
500
The point C(-2,7) is first reflected across the y-axis, then rotated 180° around the origin. What are the coordinates of C'' (after both transformations)?
C''(-2,-7)