Dilation, Scale Factor

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

If the blue polygon is the original image, find the scale factor and determine if it is a reduction or enlargement.

• 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.7.G.A.1

• -1/4

• -4

• 1/4

• 4

Tags

CCSS.8.G.A.3

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

Tags

CCSS.8.G.A.3

What is a dilation?

• The process of making a polygon larger or smaller without changing its shape

• The process of making a polygon move up, down, left, or right without changing its shape or size

• The process of making a polygon flip over an invisible line without changing its shape or size

• The process of making a polygon turn along quadrants without changing its shape or size

Tags

CCSS.8.G.A.3

A scale factor of 1/2 reduces a figure.

• True

• False

Tags

CCSS.8.G.A.3

What is the scale factor from ΔABC to ΔDEF?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

If AB = 3 and the scale factor is 4 then how long is A'B'?

Tags

CCSS.8.G.A.3

If the scale factor to map A'B'C' onto ABC is 1/4 then what is the scale factor to map ABC back onto A'B'C'?

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

If A'B'=20 and AB=100 then what is the scale factor to map ABC onto A'B'C'?

Answer either as a fraction in reduced form or as an integer.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2