Translations
A translation is when you do this to a figure.
What is move it right, left, up, or down? A slide
A reflection is when you do this to a figure.
What is flip it or make a mirror image of it?
A rotation is when you do this to a figure.
What is spin it/turn it?
A dilation is when you do this to a figure.
What is make it bigger or smaller?
These are the four properties under transformations.
What are shape, size, orientation, and location?
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.
What is (7,16)?
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (3,2)?
Find the new coordinates of (5,4) after you rotate the point with 180º.
What is (-5,-4)?
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
What is (12,-8)?
Which transformation does not result in a congruent figure?
What is a dilation?
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)?
Write the notation of point (x,y) after it is reflected over the y-axis.
What is (-x,y)?
Write the notation of point (x,y) after it rotates 90º clockwise.
What is (y,-x)?
Write the notation of point (x,y) after it is dilated with r=6.
What is (6x,6y)?
These properties change under a reflection.
What are orientation and location?
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?
A picture with one point (-3,4) was reflected over the line x-axis. What should be the new coordinates of the point?
What is (-3,-4)?
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)?
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)?
These properties are preserved under a dilation.
What are shape and orientation
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)?
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)?
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)?
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)?
This property SOMETIMES changes under a rotation.
What is location