Dilations

Front

What is a dilation? Options:

Only an enlargement

,

Only a reduction

,

Either an enlargement or a reduction

,

Neither an enlargement nor a reduction

Back

Either an enlargement or a reduction

Front

The figure before a transformation has occurred is called what?

Options: Pre-image, Image, Translation, Reflection

Back

Pre-image

Front

The figure after a transformation has occurred is called what?

Back

Image

Front

Dilate a figure with coordinates of A(3,3), B(6,6), and C(9,3) by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

Back

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

Front

What is the scale factor for the given dilation? Options: 2, 3, 1/3, 1/2

Back

2

Front

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

Back

¼

Front

If Triangle ABC is dilated using 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

Which of these rules written using coordinate notation could be a rule for a reduction? Options: (x, y)→(2x, 2y), (x, y)→(5/2 x, 5/2y), (x, y)→(0.5x, 0.5y), (x, y)→(5x, 5y)

Back

(x, y)→(0.5x, 0.5y)

Front

Coordinates of C' after dilation of Triangle ABC using (x, y)→(2x, 2y)? Options: (12, -3), (12, -6), (3, -1.5), (8, -5)

Back

(12, -6)

Front

To dilate a figure, _____________ the coordinates of the figure by the scale factor.

Back

multiply