Cpm Geometry

_{How many lines of symmetry are in this equilateral triangle?}

• 0

• 1

• 2

• 3

Tags

CCSS.4.G.A.3

If a regular hexagon is rotated about it's center, which angles would result in the hexagon being mapped back onto itself? In other words, what are the angles of rotation that result in rotational symmetry? (There are multiple correct answers. )

• 45°

• 60°

• 90°

• 120°

• 180°

Tags

CCSS.HSG.CO.A.4

The coordinates of triangle JAB are J(1, -2) , A(-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 coordinates of triangle J''A''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.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.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.HSG.CO.B.6

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.HSG.CO.A.2

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

• (x+2, y+9)

• (x+2, y-9)

• (x-2, y-9)

• (x-2, y+9)

Tags

CCSS.HSG.CO.A.2

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

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point (2, -4) over the line y=x.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

C(-6, 2) and B(-1, -1)
Reflect over the line y = x

• C' (-6, 2), B' (-1, -1)
• C' (6, 2), B' (1, -1)
• C' (2, -6), B' (-1, -1)
• C' (-6, -2), B' (-1, -1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5