Vocabulary
A transformation in which a graph or geometric figure is picked up and moved to another location without any change in size or orientation.
What is translation?
The algebraic notation for a figure that is translated 3 units left and 2 units up.
What is (x,y) ->(x-3, y+2)?
What are the two lines of reflection for 8th grade?
What is the x-axis and y-axis?
This angle of rotation creates the same image if it's rotated clockwise or counterclockwise.
What is a rotation of 180 degrees?
Enlargement or Reduction: Dilation by a scale factor of 4/3.
What is enlargement?
Operations that alter the form of a figure. Examples: translations, reflections, dilations, and rotations.
What is transformations?
Find the coordinates of A' if segment AB with A(2, 4) and B(-1, 1) is translated by (x,y) - > (x +2, y-5).
What is A'(4, -1)?
The coordinates of X' when XY with X(-3, 1) and Y(-1, 4) is reflected over the x-axis.
What is X'(-3, -1)?
The two directions of rotations
What is clockwise and counterclockwise?
Determine the scale factor: B(2, 5) and B'(1, 2.5).
What is scale factor = 1/2?
The transformation that flips a figure over the x- or y- axis
What is reflection?
Find the coordinates of X', Y', and Z' when triangle XYZ with X(0,3), Y(3, -2), and Z(4,0) is translated by (x,y) -> (x-5, y+1).
What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?
The coordinates of M', N', and O' when triangle MNO with M(-2, -4), N(-3, 1), and O(0, 2) is reflected over the y-axis.
What is M'(2, -4), N'(3, 1), and O'(0, 2)?
The degrees of rotation.
What is 90, 180, 270
Find the coordinates of A" and B" after the following glide reflection: translated by <-3, 1>, then reflected over y=-2.
What is A"(-2, -8) and B"(-1, -5)?
A transformation in which a plane figure turns around a fixed center point.
What is rotation?
Find the coordinates of M' and N' when MN with M(-4, -1) and N(-3, -3) is translated 5 units right and 2 units up.
What is M'(1, 1) and N'(2, -1)?
The line of reflection when A(-5, 1), B(-4, 4), and C(-1, 4) is reflected to A'(5, 1), B'(4, 4), and C'(1, 4).
What is y-axis?
The image of the triangle A(1, 4), B(4, 8),and (2, 1) rotated about the origin 180 degrees.
What is A(-1,-4), B(-4, -8),and (-2, -1)
Name the transformations that maintain the shape and size of a figure.
What is an translation, reflection, and rotation?
The coordinate mapping when D(-5, 4), E(-4, 1), and F(-2, 1) are translated to D'(-5,0), E'(-4, -3), and F'(-2, -3).
What is (x, y)-->(x+0, y-4)?
The image when X(-4, 0), Y(-2, -2), and Z(0, -8) is reflected across the x-axis.
What is X(-4,0), Y(-2, 2), and Z(0, 8)?
Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 90 degrees.
What is A'(-2, 3) and B'(2, 1)?