Dilations Coordinate Plane

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

Tags

CCSS.8.G.A.3

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

Tags

CCSS.HSG.CO.A.2

• An enlargement

• A reduction

• A reflection

• A rotation

Tags

CCSS.8.G.A.3

• An enlargement

• A reduction

• A reflection

• A rotation

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 3. What are the coordinates of the image?

• 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

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)

• (12, 6)

• (3, -1.5)

• (0, 1.5)

Tags

CCSS.8.G.A.3

A dilation is which of the following:

• only an enlargement

• neither an enlargement or reduction

• only a reduction

• both an enlargement and a reduction

Tags

CCSS.8.G.A.3

Dilation rules use ______________ to change the ___________ of a shape. 

• addition; location

• division; direction

• subtraction; orientation

• multiplication; size

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 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