Unit 4 Transformations Practice Test

Front

What is the angle of rotational symmetry for a regular pentagon?

Back

72 degrees.

Tags

CCSS.HSG.CO.A.4

Front

Describe the translation that is 6 units to the left and 3 units up using a translation rule.

Back

The translation rule is (x, y) → (x - 6, y + 3).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the transformation rule for a translation that moves a point 2 units right and 4 units up?

Back

The transformation rule is (x, y) → (x + 2, y + 4).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the definition of reflection in geometry?

Back

Reflection is a transformation that flips a figure over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the scale factor in a dilation?

Back

The scale factor is the ratio of the distance from the center of dilation to a point and the distance from the center to its image.

Tags

CCSS.8.G.A.3

Front

What is the angle of rotational symmetry for a regular hexagon?

Back

60 degrees.

Tags

CCSS.HSG.CO.A.4

Front

What does a dilation with a scale factor of 2 mean?

Back

It means that the image is twice as far from the center of dilation as the original figure.

Tags

CCSS.8.G.A.3

Front

What is the transformation rule for a reflection across the y-axis?

Back

The transformation rule is (x, y) → (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the transformation rule for a reflection across the x-axis?

Back

The transformation rule is (x, y) → (x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the definition of a translation in geometry?

Back

A translation is a transformation that moves every point of a figure the same distance in the same direction.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5