Rotations Answers

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rotation about point A translation up translation down ✔ reflection across line m

A
rotation about point A
B
translation up
C
translation down
D
reflection across line m
3

✔ (1, -1) (-1,1) (0,1) (1,0)

A
(1, -1)
B
(-1,1)
C
(0,1)
D
(1,0)
4

What is the final transformation in this sequence of transformations mapping pre-image VWXYZ to final image V''W''X''Y''Z''?

A
a translation up and to the right
B
a reflection across point Z'
C
a rotation 90° about V'
D
a rotation 180° about Z'
6

Kyla applied rm ◦ T0,3 to triangle ABC. What mistakes did she make? Check all that apply.

A
She applied the rotation to the triangle first.
B
She applied the reflection to the triangle first.
C
She changed the size of the triangle instead of just applying a translation.
D
She translated the triangle down instead of just applying a reflection.
E
She applied a rotation instead of a reflection.
7

Which rule describes the composition of transformations that maps ΔDEF to ΔD''E''F''?

A
R0,90° ∘ T5,0(x, y)
B
T–5,0 ∘ R0,90°(x, y)
C
T5,0 ∘ R0,90°(x, y)
D
R0,90°(x, y) ∘ T–5,0
8

reflection across line m ✔ rotation about point A translation down and right translation up and left

A
reflection across line m
B
rotation about point A
C
translation down and right
D
translation up and left
9

Which rule describes the composition of transformations that maps rectangle PQRS to P''Q''R''S''?

A
R0,270° ∘ T0,2(x, y)
B
R0,180° ∘ T2,0 (x, y)
C
T0,2 ∘ R0,270°(x, y)
D
R0,2 ∘ T0,180°(x, y)
11

(-2, -1) (2, 1) ✔ (3,0) (-3,0)

A
(-2, -1)
B
(2, 1)
C
(3,0)
D
(-3,0)
12

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13

✔ (1,1) (-1,0) (0,2) (0,-2)

A
(1,1)
B
(-1,0)
C
(0,2)
D
(0,-2)

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