Translations
A translation is known as...
A slide
A reflection is also known as...
A flip
A rotation is also known as...
A turn
A dilation is also known as...
A resize
Two shapes that are the same size and shape are called...
Congruent
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.
(7,16)
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
(3,-2)
Find the new coordinates of (5,4) after you rotate the point with 180º.
(4,5)
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
(12,-8)
Which transformation does not result in a congruent figure?
Dilation
Write the notation of point (x,y) after it moves 3 spots to the left and 7 spots up.
(x-3,y+7)
Write the notation of point (x,y) after it is reflected over the y-axis.
(-x,y)
Write the notation of point (x,y) after it rotates 90º clockwise.
(y,-x)
Write the notation of point (x,y) after it is dilated with r=6.
What is (6x,6y)?
If you dilate a triangle by 2, is the result an enlargement or reduction
Enlargement
Describe the translation for this notation: (x,y) --> (x + 8, y + 4)
A translation of 8 units to the right and 4 units up
A picture with one point (-3,4) was reflected over the y axis. What should be the new coordinates of the point?
(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?
(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?
C(2,0) and D(3,1)
What transformations change the location or orientation of the shape?
Rotation, translation and reflection
What are the coordinates 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)
Graph point D after a reflection over the x axis
D(5,5)
D'(5,-5)
Graph point J after a rotation of 180º about the origin. J(5,6)
J(-5,-6)
What are the coordinates of ∆DEF after a dilation with a scale factor of 0.5. D(2,8) E(2,2) F(6,2)
D'(1,4), E'(1,1), F'(3,1)
This transformation turns a figure around a fixed point.
Rotation