Transformations Review

Front

What is a reflection?

Back

When you flip or mirror a polygon across a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the rotation rules for 180° clockwise?

Back

(x, y) → (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens when a dilation has a scale factor greater than one?

Back

The dilation is an enlargement.

Tags

CCSS.8.G.A.3

Front

Dilate Point B (2, -8) by a scale factor of 1/2. What are the new coordinates?

Back

(1, -4)

Tags

CCSS.8.G.A.3

Front

What is the rule for translating a point?

Back

(x, y) → (x+a , y+b)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a rotation?

Back

Turning a polygon around a point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a translation?

Back

Moving or sliding a polygon from one place to another.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a dilation?

Back

Enlarging or reducing a polygon based on a scale factor.

Tags

CCSS.8.G.A.3

Front

What are the coordinates of C' after a rotation of 180° clockwise from (3, 1)?

Back

(-3, -1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the scale factor in a dilation?

Back

The ratio of the size of the image to the size of the original figure.

Tags

CCSS.8.G.A.3