Dilation Review (7th grade)

What scale factor was used to dilate rectangle ABCD to rectangle EFGH

• 9 cm

• 1 cm

• 0.8 cm

• 0.75 cm

Tags

CCSS.8.G.A.3

Which of the following scale factors would produce enlargements

• 4

• 2 1/3

• 0.5

• 1.99

Tags

CCSS.8.G.A.3

square A is dilated to create Square B would the scale factor be greater then 1 or smaller than 1

• Greater than 1

• Smaller than 1

• Both

• None of the above

Tags

CCSS.8.G.A.3

Determine the scale factor for the dilation of the equilateral triangle

• 7 ft

• 3/2 ft

• 0.2 ft

• 1.4 ft

Tags

CCSS.8.G.A.3

What scale factor was used to dilate triangle UVW to form triangle XYZ

• 12

• 1.5

• 3

• 4

Tags

CCSS.8.G.A.3

D’O’G’ has vertices located at D’(-2,-4), 0’(0,6) and G’(2,8). DOG has vertices located at D(-1,-2), O(0,3) and G(1,4). Write the algebraic rule used to dilate DOG to D’O’G

• 1/2

• (9,8)

• 2

• 1

Tags

CCSS.8.G.A.3

Which of the following scale factors would result in a reduction of the original figure?

• 3/2

• .5

• 8 cm

• 22

Tags

CCSS.8.G.A.3

Dilate triangle XYZ by a scale factor of 2. What is Y’?

• (1,3)

• 2

• (2,14)

• none of the above

Tags

CCSS.8.G.A.3

Which best describes a dilation

• Slides each point of a figure the same distance and in the same direction

• Flips the figure over a given line

• Changes the size but not the shape of a figure by a scale factor

• A turning figure about a fixed point

Tags

CCSS.8.G.A.3

A square with a vertex at Z(3,9) undergoes a dilation using the scale factor of 1/3. What are the coordinates of Z’

• (-3,-9)

• (9,27)

• (1,3)

• (0,6)

Tags

CCSS.8.G.A.3