Transformations and Symmetry

_{How many lines of symmetry are in the figure?}

• 0
• 1
• 2
• 3

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

If a regular hexagon is rotated about it's center, which angles would result in the hexagon being mapped back onto itself? (There are multiple correct answers.)

• 45°

• 60°

• 90°

• 120°

• 180°

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

The coordinates of triangle JRB are J(1, -2) , R(-3, 6) and B(4, 5). The triangle is reflected over the y-axis and then translated 2 right and 1 down. What are the the co-ordinates of triangle J'R'B'?

• (3, 1), (-1, -7), (6, -6)

• (3, -3), (-1, 5), (6, 4)

• (1, -3), (5, 5), (-2, 4)

• (-1, -2), (3, 6), (-4, 5)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What series of transformations occurred to the pentagon?

• It translated to the right 2 and down 3, then it reflected over the y-axis.

• It reflected over the x-axis, then translated left 2 and up 3.

• It rotated 90° counter-clockwise about the origin, then reflected over the y-axis.

• It reflected over the y-axis, then translated right 4 and up 3.

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Describe the transformation.

• Translation 2 units right
• reflection across y=-x
• translation 4 units right
• tanslation 4units right and 2 units up

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Describe the transformation.

• rotation 90 degrees clockwise about the origin
• reflection across the y-axis
• rotation 90 degrees counterclockwise about the origin
• rotation 180 degrees about the origin

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Describe the transformation.

• translation: right 4 and up 6
• reflection across x=-2
• translation right 6 and down 1
• reflection across y=-2

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Describe the transformation.

• translation: right 3 and down 2
• felfection across y=-x
• rotation 180 degrees about the origin
• rotation 90 degrees clockwise about the origin

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Determine how to translate triangle A'B'C' to triangle ABC.

• (x+2, y-5)
• (x+2, y-9)
• (x-2, y-9)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Identify the correct picture which represents a 90^o clockwise rotation about the origin.

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• 
• 
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Tags

CCSS.8.G.A.1

CCSS.8.G.A.3