U4 Geometrical Transformations L2 Dilations Quiz

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

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

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

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

Tags

CCSS.8.G.A.3

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

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True
• False

Tags

CCSS.8.G.A.3

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True
• False

Tags

CCSS.8.G.A.3

Given the triangle  $A\left(2,3\right)\ B\left(5,3\right)\ C\left(5,0\right)$  under a dilation with a scale factor of  $\frac{4}{3}$  . What are the coordinated for the image?

•  $A\left(\frac{8}{3},4\right)\ B\left(\frac{20}{3},4\right)C\left(\frac{20}{3},0\right)$  

•  $A\left(2.6,4\right)B\left(4,6.7\right)\ C\left(4,0\right)$  

•  $A\left(\frac{2}{3},1\right)\ B\left(\frac{5}{3},1\right)\ C\left(\frac{5}{3},0\right)$  

Tags

CCSS.8.G.A.3

 A dilation can produce a larger figure or a(n)______

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.8.G.A.3

A dilation can produce a smaller figure or a(n)______

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.8.G.A.3