Unit 2 Review

If segment AB is rotated about point C, then which segment lengths do not have to be equal?

• AB and A'B'

• AA' and BB'

• AC and A'C

• CB and CB'

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If triangle ABC is mapped onto triangle A'B'C', which of the following would not produce congruent triangles?

• dilation by scale factor of 2 with center A

• rotation of 60 degrees around A

• reflection across side AB

• translation along side AB by a distance of AB.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What series of rigid motions would map ∆ABC onto ∆A''B''C''?

• a reflection followed by a rotation

• a translation followed by a rotation

• a reflection followed by a translation

• a rotation followed by a translation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If point (x, y) were translated right 4 and down 6, then reflected across the y-axis, its new coordinates would be

• (x+4, y-6)

• (-x-4, y-6)

• (x+4, y+6)

• (x+4, -y+6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following rotations about its center would NOT map a nonagon onto itself?

Tags

CCSS.HSG.CO.A.4

Which of the following rotations about its center would NOT map a dodecagon onto itself?

Tags

CCSS.HSG.CO.A.4

• (-5, -16)

• (9, -16)

• (9, 2)

• (-5, 2)

Tags

CCSS.HSG.CO.A.2

Find x and y.

Tags

CCSS.8.G.A.5

What is the missing value?

Tags

CCSS.8.G.A.5

• 90 degree rotation around A

• translation that maps C to B

• reflection across line BC

• 180 degree rotation around A

Tags

CCSS.HSG.CO.B.6