Integrated Math 2Lesson #19

Transformations - Dilation

Mrs. Goodman

Introduction to Dilation

http://www.youtube.com/watch?v=3QBuR-WFYA0

Dilation

• Multiply x and y coordinate by scale factor

of dilation

Dilation

Find the coordinates of the image after our pre-image is dilated by a scale factor

of 4

A (-2, 0), B (3, 1), C (6, -3), D (1, -7)

Dilation

Dilate the shape ABC by a scale factor of 3 centered

at the origin.

A (-5, 3) B (2, 0) C (1, 2)

That’s all for today!

Thanks for working hard!

See you next time!