Dilation Rules

Quadrilateral WXYZ was dilated with the origin as the center to create quadrilateral W’X’Y’Z’. Which rule best represents the dilation that was applied to quadrilateral WXYZ to create quadrilateral W’X’Y’Z’?

• (x, y) --> (0.4x, 0.4y)

• (x, y) --> (x + 3, y + 2)

• (x, y) --> (2.5x, 2.5y)

• (x, y) --> (x - 3, y - 2)

Tags

CCSS.8.G.A.3

Trapezoid A’B’C’D’ is the dilation of trapezoid ABCD. Which algebraic representation shows this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (0.5x, 0.5y)

• (2x, 2y) --> (x, y)

• (x, y) --> (3x, 2y)

Tags

CCSS.HSG.CO.A.2

Triangle ABC is dilated by a scale factor of one-half to form Triangle A’B’C’ with the origin as a center of dilation. Which rule represents this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (1/2x, 1/2y)

• (2x, 2y) --> (x, y)

• (x, y) --> (1/3x, 1/3y)

Tags

CCSS.8.G.A.3

Triangle A’B’C’ is the dilation of triangle ABC.

Which algebraic representation shows this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (3x, 3y)

• (x, y) --> (x + 3, y - 3)

Tags

CCSS.HSG.CO.A.2

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

Does the image show a Dilation?

• Yes

• No

Tags

CCSS.HSG.CO.A.2

Which rule best represents the dilation?

• (2x, 2y)

• (3x, 3y)

• (1/3x 1/3y)

• (1/2x, 1/2y)

Tags

CCSS.HSG.CO.A.2

Which rule best represents the dilation?

• (2x, 2y)

• (1/2x, 1/2y)

• (4x, 4y)

• (1/4x, 1/4y)

Tags

CCSS.HSG.CO.A.2

Which rule best represents the dilation?

• (2x, 2y)

• (-2x, -2y)

• (1/2x, 1/2y)

• (x, y)

Tags

CCSS.8.G.A.3

If your Scale Factor = 6/5, what type of dilation is it?

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3