Which transformations do not change the size of the figure?
Transformations, reflections, and rotations
200
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.
What is (7,16)?
200
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (3,2)?
200
Find the new coordinates of (5,4) after you rotate the point with 180º.
What is (-5,-4)?
200
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
What is (12,-8)?
200
Which transformation does not result in a congruent figure?
Dilation
300
Write the notation of point (x,y) after it moves 3 spots to the left and 7 spots up.
What is (x-3,y+7)?
300
Write the notation of point (x,y) after it is reflected over the y-axis.
What is (-x,y)?
300
Write the notation of point (x,y) after it rotates 90º clockwise.
What is (y,-x)?
300
Write the notation of point (x,y) after it is dilated with r=6.
What is (6x,6y)?
300
Which transformation can be described as (x+2, y-3)?
Translation
400
Describe the translation for this notation: (x,y) --> (x + 8, y + 4)
What is a translation of 8 units to the right and 4 units up?
400
A picture with one point (3,-4) was reflected over the x-axis. What should be the new coordinates of the point?
What is (3,4)?
400
Figure QRST has vertices Q(2,-1), R (6,-1), S(6,-3) and T(2,-3). Which will be the coordinates of vertex R after the rectangle is rotated 90º counterclockwise about the origin?
What is (1,6)?
400
Line segment CD was dilated around the origin by a scale factor of 2. The endpoints of the image are C' (4,0) and D' (6,2). What are the coordinates of the endpoints of the original line segment?
What is C(2,0) and D(3,1)?
400
Which transformations do not change the orientation of a figure?
Translations and dilations
500
Graph ∆LMN after a translation of 6 units to the right and 4 units down.
L(0,3)
M(6,4)
N(3,9)
What is L'(6,-1), M'(12,0), N'(9,5)?
500
Graph rectangle DEFG after a reflection over the y-axis.
D(-5,5)
E(-5,8)
F(-8,8)
G(-8,5)
What is D'(5,5), E'(5,8), F'(8,8), G'(8,5)?
500
Graph ∆JKL after a rotation of 180º about the origin.
J(5,6)
K(7,9)
L (1,2)
What is J(-5,-6), L(-7,-9), L(-1,-2)?
500
Graph ∆DEF after a dilation with a scale factor of 0.5.
D(2,8)
E(2,2)
F(6,2)
What is D'(1,4), E'(1,1), F'(3,1)?
500
WITHOUT graphing, what are the coordinates of the point (4,3) after it has been translated to the left 2 units and then reflected over the y-axis?