Rotations
Dilations
Rules of Rotations
Rules of Dilations
Other transformations
100
A rotation is when you do this to a figure.
What is spin it?
100
A dilation is when you do this to a figure.
What is make it bigger or smaller?
100

How do you properly write a rule for rotations?

"Rotate ____ degrees clockwise/counterclockwise"

100
How do you properly write a rule for a dilations?

"Scale factor of ____"

100

A reflection is when you do this to a figure.

What is flip it or make a mirror image of it?

200
Find the new coordinates of (5,4) after you rotate the point with 180º.
What is (4,5)?
200
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
What is (12,-8)?
200
Write the notation of point (x,y) after it rotates 90º clockwise.
What is (y,-x)?
200

What do you do in order to dilate a shape using a scale factor of 1/3?

Times by 1/3 or divide by 3

200

Write the notation of point (x,y) after it moves 3 spots to the left and 7 spots up.

What is (x-3,y+7)?

300

What are the coordinates of the copy?

Rotation 90 degrees clockwise

A (7,-1) -----> A' (?, ?)

A' (-1, -7)

300

What are the coordinates of the copy?

Scale factor of 1/3

A (-12,-6) -----> A' (?, ?)

A' (-4, -2)

300

What is the rule for the following rotation?

A (4,-2) -----> A' (-4,-2)

Rotate 180 degrees counterclockwise or clockwise

300
Write the notation of point (x,y) after it is dilated with r=6.
What is (6x,6y)?
300
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (-3,-2)?
400
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?
What is (1,6)?
400

What are the coordinates of the copy?

Scale factor of 1/4

A (4,2) -----> A' (?, ?)

A' (1, .5)

400

What is the rule for the following rotation?

A (-3,-5) -----> A' (5,-3)

Rotate 90 degrees counterclockwise or 270 degrees clockwise

400

What is the rule for the following dilation?

A (4,-2) -----> A' (8,-4)

Scale factor of 2

400

Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.

What is (7,16)?

500
Graph ∆JKL after a rotation of 180º about the origin. J(5,6) K(7,9) L (1,2)
What is J(-5,-6), L(-7,-9), L(-1,-2)?
500

Graph ∆DEF after a dilation with a scale factor of 1/2. D(2,8) E(2,2) F(6,2)

What is D'(1,4), E'(1,1), F'(3,1)?

500

What is the rule for the following rotation?

A (2,0) -----> A' (0,-2)

Rotate 270 degrees counterclockwise or 90 degrees clockwise
500

What is the rule for the following dilation?

A (-6,-3) -----> A' (-2,-1)

Scale factor of 1/3

500
Graph ∆LMN after a translation of 6 units to the right and 4 units down. L(0,3) M(6,4) N(3,9)
What is L'(6,-1), M'(12,0), N'(9,5)?
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