Rotations

Question 1

Figure BCDE was transformed using the composition rx-axis ◦ T2,2. If point B on the pre-image lies at (3, 4), what are the coordinates of B'' on the final image?

Revolt · Accepted Answer

B: (5, –6)

Question 2

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

Revolt · Accepted Answer

D: a rotation 180° about Z'

Question 3

Which figure represents the final image after composition ry-axis ◦ T3, -1 is applied to rectangle LMNP?

Revolt · Accepted Answer

D: 4

Question 4

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

Revolt · Accepted Answer

B: She applied the reflection to the triangle first.; C: She changed the size of the triangle instead of just applying a translation.

Question 5

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

Revolt · Accepted Answer

B: T–5,0 ∘ R0,90°(x, y)

Question 6

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

Revolt · Accepted Answer

B: rotation about point A

Question 7

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

Revolt · Accepted Answer

C: T0,2 ∘ R0,270°(x, y)

Question 8

The sequence of transformations, RO,90° ° rx-axis, is applied to ΔXYZ to produce ΔX''Y''Z''. If the coordinates of Y'' are (3, 0), what are the coordinates of Y? Y(, )

Revolt · Accepted Answer

Part 1: 0; Part 2: 3

Question 9

(-2, -1) (2, 1) ✔ (3,0) (-3,0)

Revolt · Accepted Answer

C: (3,0)

Question 10

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

Revolt · Accepted Answer

D: reflection across line m

Rotations Answers

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