Dilations and Similar Figures Review

State the coordinates of the image of point B after a dilation with a scale factor of 2 and centered at point A.

• (-4,2)

• (-8,4)

• (-4,6)

• (-2,-2)

Tags

CCSS.8.G.A.3

A(n) ____ is a figure before a transformation has taken place.

• pre-image

• image

• isometry

• mapping

Tags

CCSS.HSG.CO.A.2

The ___ is the ratio of corresponding linear measures in two similar polygons or two similar solids.

• isometry

• scale factor

• congruent

• mapping

Tags

CCSS.7.G.A.1

Dilation

• a transformation that enlarges or reduces a figure

• all types of transformation

• when we "flip" across a line of reflection

Tags

CCSS.8.G.A.3

Are these figures similar? Why or why not?

• Yes, their shapes are the same

• No, their corresponding sides are not equal.

• No, their corresponding sides are not proportional.

• Yes, their corresponding sides are proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• an enlargement

• a reduction

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

This symbol stands for ...

• is corresponding to

• is proportional to

• is congruent to

• is similar to

Tags

CCSS.8.G.A.2

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

Two figures are ___ if they are the same size and have the same shape.

• similar

• congruent

• transformational

• isometrical

Tags

CCSS.8.G.A.2

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2