Translation
A translation just ______ the shape over
slides
A translation slides the shape over
True or False if you are moving 180 degrees it matters if its going CCW or CW
False
What is the rule for a reflection over the x-axis?
(x,−y)
If point A(8,3) is dilated with a scale factor k=5 , where is point A' located?
A'(40,15)
True or False: A dilation makes a shape either smaller or bigger.
True
What is the coordinate rule for a translation of ( units to the right and 1 unit down?
Ex:(x, y)
(x+9, y-1)
The point E(3,9) is rotated 270° CCW around the origin. What quadrant is point E' in?
Quadrant IV (four)
The point A(1,2) is reflected over a line, resulting in A'(-1, 2) What is the line it reflected over?
y-axis
If point B(9,3) is dilated with a scale factor k=13 , where is point B' located?
B'(3,1)
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 (one)
Point A (5,2)is translated 7 units to the left and 4 units up. What are the coordinates of A'?
A' (-2,6)
The point Z(−3,0) is rotated 90° CW around the origin. What are the coordinates of Z' ?
Z'(0,3)
The point F(−3,2) has been reflected over the x-axis. What quadrant is point F' in?
Quadrant III (three)
If a shape if dilated by a scale factor k=4 , then dilated again by a scale factor k=14 , is the resulting image bigger, smaller, or congruent to the pre-image?
congruent
If the scale factor is k=9 what would be J' coordinates if J is (2,-7)?
J' (18, -63)
Point D (-4,9) is translated using the rule (x, y)->(x-3, y+6). Where is D' located?
D' (-7, 15)
What is the coordinate rule for the following rotation of points Z,J,L and Z',J',L' With Z being(-4, 0) J(-5, -2) L (0,-3) and Z' being (0, -4) J' (2, -5) L' (3, 0)
90 degrees CCW
The point L(8,−9) is reflected over the y-axis what are the coordinates of L'?
L' is (8, 9)
What is the scale factor for the following dilation if T is marked at (-2, 1) and T' is marked at (-4, 2)?
k=2
Is a dilation of 7/5 an enlargement or reduction?
Enlargement
What is the coordinate rule for the following translation G (-4, 2) and G' is (0,1)
(x+4,y−1)
The point X is rotated 90° CCW around the origin. If the image is located at (−6,−8) , what are the coordinates of the pre-images coordinate?
(-8, 6)
Reflect shape A over the y-axis if A is (9,10). What would be A'?
A' is (-9, 10)
If point L is located at (5,5) , what scale factor was used when dilating to point L' (1,1)?
k=1/5
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)