Dilations

What is the scale factor to make a image smaller?

• 0 < x < 1

• - 3 < x < 1

• -1 < x < 1

• 1 < x < infinity

Tags

CCSS.8.G.A.3

If point (-3, 4) is dilated by a scale factor of 3, what are the new coordinates?

• (0, 7)

• (9, 12)

• (- 9, 12)

• (- 6, 7)

Tags

CCSS.8.G.A.3

Which of these would be preserved in a dilation?

Check all that apply.

• Size

• Shape

• Orientation

• Length of sides

• Measure of angles

Tags

CCSS.8.G.A.3

A point (12, - 18) is dilated and it's new coordinates are

(4, - 6)...what was the scale factor?

• 3

• - 3

• 8

• $\frac{1}{3}$

Tags

CCSS.8.G.A.3

What happens when a shape is dilated by a scale factor of 1

• It reverses it's image

• It stretches it

• It shrinks it

• Nothing

Tags

CCSS.8.G.A.3

A point with the coordinates (10, 14) is dilated and the new coordinates are (25, 35)...what was the scale factor of the dilation?

• 15

• 21

• 2.5

• 2

Tags

CCSS.8.G.A.3

A point (35, 50) is dilated by a scale factor of  $\frac{1}{5}$  .  What are it's new coordinates? 

• (175, 250)

• (7, 10)

• (30, 45)

• (42, 60)

Tags

CCSS.8.G.A.3

What operation do apply when using the scale factor?

• addition

• subtraction

• multiplication

• division

Tags

CCSS.7.G.A.1

The scale factor for a dilation is

 $\frac{5}{4}$  .  What will that do to the original shape?

• Shrink it

• Stretch it

• Nothing

• Eliminate it

Tags

CCSS.8.G.A.3

The scale factor for a dilation is 0.8. What will that do to the shape?

• Shrink it

• Stretch it

• Nothing

• Eliminate it

Tags

CCSS.8.G.A.3