Rotations, Dilations, and Sequences

Rotate coordinates A(3,-4), B(0,1), C(0,0), D(-3,-2) 270^o CW about the origin.

• A'(4,3), B'(-1,0), C'(0,0), D'(2,-3)

• A'(4,-3), B'(1,0), C'(0,0), D'(-2,-3)

• A'(-4,3), B'(-1,0), C'(0,0), D'(3,-2)

• A'(-4,-3), B'(-1,0), C'(1,1), D'(-2,-3)

Tags

NC.M2.F-IF.1

NC.M2.F-IF.2

Which sequences make congruent figures?

• translations only

• rotations, reflections, and translations

• rotations and reflections only

• dilations, reflections, rotations, and translations

Tags

NC.M2.F-IF.1

NC.M2.F-IF.2

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

How many degrees COUNTERCLOCKWISE was quadrilateral ABCD rotated?

• 90°

• 180°

• 270°

• 360°

A transformation that “turns” a figure about a fixed point is a _____________________.

• rotation

• translation

• reflection

• dilation

When you dilate the figure by a scale factor of 3, what is the location of B'?

• (12,0)

• (12,12)

• (4,3)

• (0,12)

What type of transformation is this?

• rotation

• translation

• reflection

• dilation

What type of transformation is this?

• rotation

• translation

• reflection

• dilation

Dilations preserve...

• Shape

• Size

• Shape & size

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D