Explore Dilation Rules and Scale Factors

Front

Triangle ABC will be dilated by a scale factor of 1/2. What will be the coordinates of C'? Options: (-1, -2.5), (12, 6), (3, -1.5), (0, 1.5)

Back

(3, -1.5)

Front

If the scale factor is greater than 1, the dilation is...

Back

an enlargement

Front

Rectangle ABCD is dilated so that A' is located at (3, 6). What could be the dilation rule? Options: (2x, 3y), (2/3 x, 2/3 y), (3/2 x, 3/2 y), (x + 2, y + 3)

Back

(3/2 x, 3/2 y)

Front

Dilation rules use ______________ to change the ___________ of a shape.

Back

multiplication; size

Front

A scale factor of 1/2 reduces a figure.

Back

True

Front

What scale factor was used to produce the image?

Back

¹/₂

Front

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. Original coordinates: A(3,3) B(6,6) C(9,3)

Back

A'(9,9) B'(18,18) C'(27,9)

Front

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

Back

¼

Front

Which of the following is a dilation? Options: (x, y) → (x, 3y), (x, y) → (3x, 3y), (x, y) → (x, y - 3), (x, y) → (.5x, .4y)

Back

(x, y) → (3x, 3y)

Front

A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

Back

7.5 ft