Dilations Quiz

Triangle ABC will be dilated by a scale factor of 1/2, with the center or dilation at the origin. What will be the coordinates of C'?

• (-1, -2.5)

• (12, 6)

• (3, -1.5)

• (0, 1.5)

Tags

CCSS.8.G.A.3

Enlargement or reduction?  Find the scale factor!

• It's a reduction; the scale factor is 2.
• It's an enlargement; the scale factor is 2.
• It's an enlargement; the scale factor is 1/2.
• It's a reduction; the scale factor is 1/2.

Tags

CCSS.8.G.A.3

If the scale factor is greater than 1, the dilation is...

• an enlargement
• a rotation
• a translation
• a reduction

Tags

CCSS.8.G.A.3

If the scale factor is less than 1, the dilation is...

• an enlargement
• a translation
• a rotation
• a reduction

Tags

CCSS.8.G.A.3

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 1/2.
• It's an enlargement; the scale factor is 2.
• It's a reduction; the scale factor is 1/2.
• It's a reduction; the scale factor is 2.

Tags

CCSS.7.G.A.1

Triangle ABC has vertices A (-2, 2), B (2, 4) and C (3, -1). What are the coordinates of A' after a dilation by a scale factor of 2.5 and the origin as the center of dilation?

• (-5, 5)

• (5, -5)

• (5, 10)

• (7.5, -2.5)

Tags

CCSS.8.G.A.3

The origin is the center of dilation. Rectangle ABCD is dilated so that A' is located at (3, 6). What could the scale factor be?

• 2

• 2/3

• 3/2

• 3

Tags

CCSS.8.G.A.3

Rectangle ABCD is dilated by 2 and the center of dilation is at D. What will vertex A be, after the dilation.

• (1, 2)

• (1, -6)

• (-6, 1)

• (2, 3)

Tags

CCSS.8.G.A.3

Quadrilateral RSTV is dilated so that the coordinates of S' are (3, 9) and the origin is the center of dilation. What was the scale factor of the dilation?

• 0.6

• (1, 3)

• 3/2

• 3

Tags

CCSS.8.G.A.3

Triangle ABC is dilated so that the coordinates of C' are (2, -1) and the center of dilation is at the origin. What was the scale factor of the dilation?

• 3

• 2

• 1/2

• 1/3

Tags

CCSS.8.G.A.3