Dilations Practice 2-5-20

A dilation with a scale factor greater than 1 is a(n) ________.

• Enlargement
• Reduction

Tags

CCSS.8.G.A.3

A dilation with a scale factor less than 1 but greater than 0 is a(n) _____.

• Enlargement
• Reduction

Tags

CCSS.8.G.A.3

If a triangle is dilated by a scale factor of 4, then the rule for the dilation would be _____.

• (x, y) → (x+4, y+4)
• (x, y) → (4x, 4y)
• (x, y) → (¼x, ¼y)
• (x, y) → (x-4, y-4)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Is this an enlargement or a reduction?

• Enlargement

• Reduction

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

Which algebraic representation shows this dilation?

• (x, y) --> (1/2x, 1/2y)

• (x, y) --> (2x, 2y)

• (x, y) --> (x + 1/2, y)

• (x, y) --> (1/2x, y)

Tags

CCSS.HSG.CO.A.2

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

(Think...did it get bigger or smaller? Can you eliminate based on that? )

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

Does the image show a Dilation?

• Yes
• No

Tags

CCSS.HSG.CO.A.2

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

Dilations create figures that are___________.

• Congruent

• Similar

• Isometric

• Proportional

Tags

CCSS.8.G.A.3