IMath 1 ch 8

In the diagram ΔA'B'C' is an image of ΔABC Which rule describes this translation?

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Which of the following is true for a rigid motion?

• The pre-image and the image have the same measurements.

• The pre-image is larger than the image.

• The pre-image is smaller than the image.

• The pre-image is in the same position as the image.

ΔRSV has coordinates R(2, 1), S(3, 2), and V(2, 6). A translation maps point R to R' at (–4, 8). What are the coordinates for S' for this translation?

• (–6, –4)

• (–3, 2)

• (–3, 9)

• (–4, 13)

In the graph what are the coordinates of Ry-axis(D)?

• (3, –1)

• (3, 1)

• (–3, –1)

• (–3, 1)

What is true for an image and a pre-image in a reflection?

• The image is larger than the preimage.

• The image is smaller than the preimage.

• The image and the preimage have the same orientation.

• The image and the preimage have different orientations.

In the graph what is the line of reflection for ΔXYZ and ΔX'Y'Z'?

• the x-axis

• the y-axis

• x = 2

• y = 2

What is the image of A(3, –1) after a reflection, first

across the line y = 3, and then across the line x = –1?

• (–5, 7)

• (3, –1)

• (–5, –1)

• (1, –5)

A Ferris wheel has 16 cars spaced equal distances apart. The cars are

numbered 1–16 clockwise. What is the measure of the angle of rotation

that will map the position of car 16 onto the position of car 13?

• 22.5°

• 45°

• 67.5°

• 90°

Given P(2, –5), what are the coordinates of r(90°, O)(P)?

• (5, 2)

• (–5, 2)

• (5, –2)

• (–2, –5)

What type of transformation maps ΔABC

onto ΔDEF?

• translation

• rotation

• reflection

• glide reflection