Transformations: Review

• Translation

  4 left & 7 up

• Translation

  4 right & 7 down

• Translation

  4 up & 7 left

• Translation

  4 down & 7 right

What transformation is happening?
(x, y) ----> (x + 2, y - 3) 

• slide up 2, left 3

• slide right 2, up 3

• slide right 2, down 3

• slide left 3, right 2

Write a rule for the translation.

•  (x - 1, y  + 2)

•  (x - 2, y  + 1)

•  (x + 2, y  - 1)

• (x + 1, y  -  2)

Reflect Point C over the y-axis:

• (-3, 2)

• (3, 2)

• (-2, 3)

• (3, 0)

Are the two triangles similar? If so, what is the scale factor?

• Yes, 2

• No

• Yes, 1/2

• Yes, 3

Which rule describes the action of the coordinates when a figure is dilated by a scale factor of 2?

• (x, y)→(x+2, y+2)

• (x, y)→(2x, 2y)

• (x, y)→(x/2, y/2)

• (x, y)→(x-2, y-2)

• Dilations

  (Enlargement)

• Reflections

• Dilations

  (Reduction)

• Rotations