Unit 4 Pretest

A dilation is which of the following:

• An enlargement

• A reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

• Don't know.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

• Don't know.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

If the scale factor is greater than one, the new figure will be

• a reduction

• an enlargement

• a scale

• not proportional

• Don't know.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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

• ½

• ¼

• 4

• 2

• Don't know.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

• Don't know.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

• A

• B

• C

• D

• Don't know.

Tags

CCSS.8.F.A.1

CCSS.8.F.A.2

CCSS.8.F.B.4

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

• Don't know.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional

• proportional, congruent

• congruent, congruent

• proportional, proportional

• Don't know.

Tags

CCSS.8.G.A.4

CCSS.8.G.A.5

Are the triangles similar?

• Yes

• No

• Don't know.

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Find missing side

• 5

• 7

• 9

• 11

• Don't know.

Tags

CCSS.8.G.B.7