Dilations Homework

Dilate Point A by a scale factor of 1/2 (k = 1/2)

• A'(-4,-4)

• A'(-1,-4)

• A'(-1,-1)

• A'(-2,-2)

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 1/3 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

A scale factor of less than one means

• that the prime image will be larger than the pre-image.
• That the prime image will be the same as the preimage.
• That you need to subtract that amount off  of each side.
• That the prime image will be a reduction of the preimage.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What would be the scale factor (k) in the dilation shown?

• 1

• 1/2

• 4

• 2

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Does the image show a dilation?

• Yes
• No

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Does the image show a Dilation?

• Yes
• No

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

A dilation is which of the following: 

• only an enlargement
• only a reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

• B' (2 , 4.5)

• B' (-8 ,-18)

• B' (8 ,18)

• B' (9 ,4)

Tags

CCSS.8.G.A.3

When A(3, 6) is under a dilation of 2 what are the coordinates of A'?

• (3, 6)

• (1.5, 3)

• (6, 12)

• (12, 6)

Tags

CCSS.8.G.A.3

In most cases, a dilation produces a congruent figure.

• True

• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4