A positive rotation moves a figure in the __________ direction.
counterclockwise
100
A dilation changes the ______ of a figure.
size
100
A glide reflection is composed of a _________ and a _________.
translation and translation
200
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
(3, 2)
200
Find the new coordinates of (10, 12) if you translate the point three units left and four units down.
(7, 8)
200
Find the new coordinates of (5, 4) after a rotation of 180º.
(-5, -4)
200
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
(12, -8)
200
Write a rule for the composition of a dilation of scale factor 3 following a translation of 2 units to the right.
D3 o T 2,0
300
A picture with the point (-3, 4) was reflected over the line y = x. What should be the new coordinates of the point?
(4, -3)
300
Write the notation of point (x, y) after it moves 3 spots to the left and 7 spots up.
T -3, 7 or (x - 3, y + 7)
300
Find the new coordinates of (1, 7) after a rotation of 90º.
(-7, 1)
300
Unlike a reflection, a translation, and a rotation, a dilation is NOT an _________.
isometry
300
The point (3,−2) is rotated 90 about the origin and then dilated by a scale factor of 4. What are the coordinates of the resulting image?
(8, 12)
400
Find the new coordinates of (1, 3) after it is reflected over the line x = 3.
(5, 3)
400
Describe the movement of a figure under the transformation (x, y) --> (x + 8, y + 4).
8 units right, 4 units up
400
Rectangle QRST has vertices Q(2, -1), R(6, -1), S(6, -3), and T(2, -3). What will be the coordinates of vertex R after the rectangle is rotated 90º counterclockwise?
(1, 6)
400
Line segment CD was dilated by a scale factor of 3. The endpoints of the image are C'(6, 0) and D'(9, 6). What are the coordinates of the endpoints of the original line segment?
C(2, 0) and D(3, 2)
400
What is the image of point A(4,2) after the composition of transformations defined by R 180° o r y=x?
(-2, -4)
500
Find the coordinates of the image of ∆DEF after a reflection in the y-axis. D(-5, -5) E(-5, -8) F(-8, -8)
D'(5, -5) E'(5, -8) F'(8, -8)
500
Write the coordinates of the image of ∆LMN after a translation of 6 units to the right and 4 units down. L(0, 3) M(6, 4) N(3, 9)
L'(6, -1) M'(12, 0) N'(9, 5)
500
Write the coordinates of the image of ∆JKL after a rotation of 180º. J(5, 6) K(7, 9) L(1, 2)
J'(-5, -6) K'(-7, -9) L'(-1, -2)
500
Find the coordinates of the image of ∆DEF after a dilation of 1/2. D(2,8) E(2,2) F(6,2)
D'(1, 4) E'(1, 1) F'(3, 1)
500
The endpoints of AB are A(3, 2) and B(7, 1). If A''B'' is the result of the transformation of AB under D 2 o T -4, 3, what are the coordinates of A'' and B''?