Dilations

If the scale factor is given is GREATER than one, the figure will _______________.

• preserve (stay the same)

• enlarge (become bigger)

• reduce (become smaller)

Tags

CCSS.8.G.A.3

The point A(6, 8) was dilated to point A'(3, 4). What was the scale factor?

• 3

• 1/2

• 3/4

• 4

Tags

CCSS.8.G.A.3

When given an preimage/it's coordinates AND the scale factor, how do you find the coordinates of the new image after dilation?

• preimage coordinates x scale factor

• preimage coordinates / scale factor

• preimage coordinates - scale factor

• preimage coordinates + scale factor

Tags

CCSS.8.G.A.3

Which side corresponds to PQ

• QR

• Q'R'

• P'Q'

• R'P'

Tags

CCSS.HSG.SRT.A.2

A dilation of 50% is the same as a dilation of 1/2.

• true

• false

Tags

CCSS.8.G.A.3

A dilation of 50% will _______________.

• enlarge

• reduce

• preserve

Tags

CCSS.8.G.A.3

Which of the following would represent a dilation?

• (x, y) → (3x, 3y)

• (x, y) → (2x, 5y)

• (x, y) → (x, y - 3)

• (x, y) → (y, x)

Tags

CCSS.8.G.A.3

Given the coordinates (3,5), what are the coordinates after a dilation with a scale factor of 3?

• (1, 2)

• (6, 12)

• (1.5, 2.5)

• (9, 15)

Tags

CCSS.8.G.A.3

Where is the center of dilation located on the coordinate plane?

• (0, 0)

• (9, 6)

• (2, 6)

• origin

Tags

CCSS.HSG.CO.A.2

Figures that share the same SHAPE but different proportional SIDE LENGTHS are called

• center of dilation

• similar figures

• congruent figures

• dilation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6