Vocabulary
Translations
Reflections
Rotations
Angle of Rotation and Compositions
100

A transformation in which a graph or geometric figure slides to another location without any change in size or orientation.

What is translation?

100

The coordinate that is affected when a shape is translated 3 units left.

What is the x coordinate?

100

The vertices of a square are A (0, 4), B (0, 2), C (2, 2), D (2, 4).  If ABCD is reflected over the y axis, which vertex (vertices) will NOT change its coordinates?  

What is A' and B'?

100

This angle of rotation creates the same image if it's rotated clockwise or counterclockwise.

What is a rotation of 180 degrees?

100

Angle of rotation for a square.

What is 90 degrees?

200

The set of all points in a plane that are a fixed distance from a center point.

What is a circle?

200

Find the coordinates of A' if point A at (2, 4) is translated by (x + 2, y - 5).

What is A'(4, -1)?

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

The rotation that creates the same image as a rotation 270 degrees clockwise.

What is a rotation 90 degrees counterclockwise?

200

The degrees at which a square will map onto itself (list all).

What is 90, 180, 270, and 360 degrees?

300

The transformation that is a combination of a reflection and a translation.

What is glide reflection?

300

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 -5, y + 1).

What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?

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

The coordinate mapping for a rotation clockwise of 90 degrees (rule).

What is (x, y)-->(y, -x)

300

Find the coordinates of point A" after the following glide reflection: translated by (x-3,y+1), then reflected over y=-2. The coordinates of A are (2, 3).

What is A"(-1, -8)?

400

This is created when two rays come together at a common endpoint.

What is an angle?

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?

400

This angle of rotation maps (x, y)-->(-y, x).

What is rotation 270 degrees clockwise or 90 degrees counterclockwise?

400

If triangle ABC is reflected over y = x, what are the of coordinates of A'B'C'.  The coordinates of ABC are A (2, -1), B(4, -1), C(2,-3)

What are A'(-1, 2), B'(-1, 4), C' (-3, 2)?

500

A transformation that preserves distance, angles, and length; e.g. reflection, rotation, and translation.  It is also referred to as "rigid".

What is an isometry?

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 coordinate of X'Y'Z' when when X(-4, 0), Y(-2, -2), and Z(0, -8) is reflected over y = -x.

What is X' (0, 4), Y' (2, 2), Z' (8, 0)?

500

Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 180 degrees.

What is A'(3, 2) and B'(1, -2)?

500

Find the coordinates of B" when A(5, 0), B(5, 5), and C(2,4) undergo the following composition: translate (x, y)-->(x+6, y-5), then rotate counterclockwise 270 degrees.

What is B"(0, -11)?

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