Practice Questions- Dilation

what is the scale factor?

• 3

• 2.4

• 0.4

• 0.3

Tags

CCSS.7.G.A.1

What is the dilation?

• 15.5

• 21

• 18

• 24

Tags

CCSS.8.G.A.3

If the scale factor is greater than one ...

• is an enlargement

• is an congruence

• is a reduction

• is a scale factor

Tags

CCSS.8.G.A.3

Is this triangle dilated?

• Yes, this is dilated

• No, this is not dilated

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

what is the rule of dilation?

• the amount you want to change a shape

• the point where the x axis and y axis meet

• (x,y), to (6x,6y)

• a transformation in which a polygon is enlarged or reduced by a given factor around a given center point

Tags

CCSS.8.G.A.3

Stanley had a poster made from a picture of his dog Tasha. The poster image is eight times the size of the picture. If the poster image is 120 cm. in height, what was the height of Stanley's original picture of Tasha (in centimeters)?

• 10

• 5

• 20

• 15

Tags

CCSS.7.G.A.1

A dilation centered at O is shown at the right. The image is ΔA'B'C'.

If OA = 12 units and

OA' = 8 units, what is the scale factor of this dilation?

• ½

• ⅖

• ⅔

Tags

CCSS.8.G.A.3

when a shape has kept it’s orientation but has been changed in size, either getting smaller or getting larger what is it called...

• vertex

• Origin

• Dilation

• Dilation of a polygon

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Tags

CCSS.8.G.A.3

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

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3