Translation
Reflection
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
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
Write the rule for this tranformation
(x, y) --> (-x, y)
200
If point B(9,3) is dilated with a scale factor k=1/3 , where is point B' located?
B'(3,1)
200
Write the rule for a dilation by a scale factor of 1/2
(x, y) --> (1/2 x, 1/2 y)
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
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 y axis. Where is L' located?
L'(-8, -9)
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'(-1,2) . What is the line of reflection?
The line of reflection is the y-axis.
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 translated left 2 units and down 7 units. What are the coordinates of C'' (after both transformations)?
C''(0,0)