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Vocabulary
Translations and Reflections
Rotations and Dilations
Scale Factor and Dilation
Dilations/Compositions
100

A transformation in which a graph or geometric figure slides to a different location.

What is translation?

100
The vector notation for a figure that is translated 3 units left.
What is <-3, 0>?
100
The equation for the line of reflection if a figure is reflected over the y-axis.
What is x=0?
100
Enlargement or Reduction: Dilation by a scale factor of 4/3.
What is enlargement?
200
Operations that alter the form of a figure. Examples: translations, reflections, dilations, and rotations.
What is transformations?
200
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)?
200
Determine the scale factor: B(2, 5) and B'(1, 2.5).
What is scale factor = 1/2?
300

The transformation that is a mirror image or flip.

What is reflection?

300
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 line x=2.
What is M'(6, -4), N'(7, 1), and O'(4, 2)?
300
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)?
400

A transformation in which a plane figure turns around a fixed center point.

What is rotation?

400
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)?
400
The line of reflection when A(-2, 0), B(1, 3), and C(3, -4) is reflected to A'(-2, -2), B'(1, -5), and C'(3, 2).
What is y=-1?
500

A transformations that changes the size of a shape.

What is a dilation?

500
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, y-4)?
500
The line of reflection when X(-4, 0), Y(-2, -2), and Z(0, -8) is reflected to X'(-2, 0), Y'(-4, -2), and Z'(-6, -8).
What is x=-3?