Dilations

Front

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

Back

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

Front

A scale factor of less than one means

Back

That the image will be a reduction of the pre-image.

Front

Choose the correct scale factor: Options: 2, 3, 1/3, 1/2

Back

2

Front

When you translate, (x,y+6) will move _____. Options: 6 units right, 6 units left, 6 units up, 6 units down

Back

6 units up

Front

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

Back

scale factor

Front

In a dilation, what mathematical operation is used with the scale factor?

Back

multiplication

Front

Dilation to map PQRS to TUVW after reflection: (x,y) -> (3x, 3y), (x,y) -> (1/3x,1/3y), (x,y) -> (2x, 2y), (x,y) -> (1/2x, 1/2y)

Back

(x,y) -> (1/3x,1/3y)

Front

How would you translate point P to P'? Options: Translate 2 units to the right and  8 units down, Translate 3 units down and 2 units to the right, Translate 4 units down and 4 units to the left, Translate 8 units to the right and 2 units down

Back

Translate 2 units to the right and  8 units down

Front

If a shape is dilated by a scale factor of one-half, what is the resulting perimeter? Options: The same as the perimeter of the preimage, The new perimeter is bigger than the preimage, The new perimeter is smaller than the preimage, The new perimeter is 4 times the original

Back

The new perimeter is smaller than the preimage

Front

Triangle ABC is dilated using a scale factor of 1/2. What are the new coordinates of point A'? Options: (-3, 3), (-12, 12), (-2, 2)

Back

(-3, 3)