Dilations

Front

What is a dilation with a scale factor k > 1 called?

Back

Enlargement

Front

What is the scale factor if the origin is the center of dilation and the scale factor is 2?

Back

2

Front

If the point (8, 12) is dilated to (2, 3), what is the scale factor?

Back

1/4

Front

Dilate Point B (3, 2) by a scale factor of 1/2 with the origin as the center. What is the new point?

Back

(1.5, 1)

Front

What characteristic does a dilation preserve?

Back

Similarity

Front

What is the scale factor for a dilation that reduces a shape to half its size?

Back

1/2

Front

If a shape is dilated by a scale factor of 3, how does its area change?

Back

The area increases by a factor of 9.

Front

What happens to the angles of a shape during a dilation?

Back

The angles remain the same.

Front

If a point (x, y) is dilated by a scale factor k, what is the new point?

Back

(kx, ky)

Front

What is the effect of a dilation with a scale factor of 1?

Back

The shape remains unchanged.