These are the three transformations that we have studied in this chapter.
What are translation, reflection and rotation?
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 180º about the origin.
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
What is the original figure called?
What is the preimage?
300
Write the translation 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 rule for reflecting a point (x,y) over the y-axis.
What is (-x,y)?
300
Write the rule for rotating a point (x,y) 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
What is the new figure called?
What is an image?
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 270º clockwise 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
What is the center of rotation?
The fixed points that a figure is spun around.
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)