scale factor and dilations

words that can describe the y axis

• right

• up

• left

• down

Tags

CCSS.5.G.A.1

CCSS.5.G.A.2

words that can describe the x axis

• right

• up

• left

• down

Tags

CCSS.7.NS.A.1

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Is this an enlargement or reduction? (blue = original image)

• reduction

• enlargement

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

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

• ½

• ¼

• 4

• 2

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge
• Yes, reduce
• No

Tags

CCSS.7.G.A.1

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.7.G.A.1

CCSS.7.RP.A.2

A scale factor of less than one means

• that the prime image will be larger than the pre-image.
• That the prime image will be the same as the preimage.
• That you need to subtract that amount off  of each side.
• That the prime image will be a reduction of the preimage.

Tags

CCSS.7.G.A.1

What is the scale factor from the small shape to the big shape?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2