Change the Dog: Transformations 2

How does changing

x

and

y

change the dog?

x

0

y

0

Don Cohen, the Mathman, decided to write "Changing Shapes with Matrices" to share his interest and excitement about the ideas of changing shapes using matrices. The "dog" is taken from Don's book.

As you drag the sliders, ask yourself what happens when you change

x

and

y

. In which direction does the figure move? Which numbers slide the figure up, down, left, or right?