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Reflection and Rotational Symmetry

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Reflection and Rotational Symmetry
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following are congruence transformations?

Rotations

Translations

Reflections

All Three

Tags

CCSS.HSG.CO.B.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the angles of rotation that maps the image to itself.

multiples of 120°

multiples of 180°

multiples of 90°

multiples of 60°

Tags

CCSS.HSG.CO.A.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What sequence of transformations will get you from shape BCD to shape B"C"D" in two steps?

Rotation, then Rotation

Rotation, then Dilation

Reflection, then Rotation

Translation, then Reflection

Tags

CCSS.8.G.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many lines of symmetry does an equilateral triangle have and what is the degree of rotational symmetry?

0 lines of symmetry and the degree of rotational symmetry is 90

3 lines of symmetry and the degree of rotational symmetry is 90

1 line of symmetry and the degree of rotational symmetry is 120

3 lines of symmetry and the degree of rotational symmetry is 120

Tags

CCSS.HSG.CO.A.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Point A (4, -2) is reflected over the line y = x, rotated 270 degrees CCW and reflected over the y-axis. What is A'''?

Point A''' is (4, -2)

Point A''' is (4, 2)

Point A''' is (-2, 4)

Point A''' is (-4, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Describe the transformation.

translation by (x - 1, y + 6)

reflection across x = -2

translation by (x + 6, y - 1)

reflection across y = -2

Tags

CCSS.HSG.CO.B.6

CCSS.8.G.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the sequence of transformations for the image given?

Reflect over the y-axis, translate by T6,0

Reflect over the x-axis then translate by T6,0

Reflect over the x-axis then translate by T2,6

Reflect over the y-axis then translate by T2,6

Tags

CCSS.8.G.A.3

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