Dilation on a Coordinate Grid

Which statement is true?

• It's a reduction; the scale factor is 2

• It's an enlargement; the scale factor is 2

After a dilation, the coordinates of C' are 3, -6. What is the dilation rule?

A triangle on a coordinate grid is dilated to create a smaller triangle. Which rule could represent this dilation?

A trapezoid on a coordinate grid is dilated to create a larger trapezoid. Which rule could represent this dilation?

• F

• G

• H

• J

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation? Move the correct answer to each box in the table. Not all answers will be used.

a

b

Tags

TEKS 8.3C

Does the image show a Dilation?

• Yes

• No

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation? Move the correct answer to each box in the table. A triangle is dilated by a scale factor of 1/2. ​ (a)   ​ A square is dilated by a scale factor of 2. ​ ​ ​ ​ (b)  

• (x, y) → (x + 2, y + 2)

• (x, y) → (−x, −y)

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation? Move the correct answer to each box in the table. A triangle is dilated by a scale factor of 1/2. ​ (a)   ​ A square is dilated by a scale factor of 2. ​ ​ ​ ​ (b)  

• (x, y) → (x + 2, y + 2)

• (x, y) → (−x, −y)

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge

• Yes, reduce

• No