A Rectangle Is Transformed According To The Rule R0 90

Question: Triangle ABC is shown on the graph. What are the coordinates of the image of point B after the triangle is rotated 270° about the origin?

Answer: (4, 2)

Question: The figure is an isosceles trapezoid.

How many lines of reflectional symmetry does the trapezoid have?

Answer: 1

Question: Which rule describes the composition of transformations that maps figure ABCDE to figure A”B”C’D”E”?

Answer: RC’,180° rm

Question: A rectangle is transformed according to the rule R0, 90º. The image of the rectangle has vertices located at R’(-4, 4), S’(-4, 1), P’(-3, 1), and Q’(-3, 4). What is the location of Q?

Answer: (-4, -3)

Question: The rule T1, -4 RO, 180°(x, y) is applied to rectangle KLMN.

Which rectangle shows the final image?

Answer: 3

Question: A clock is constructed using a regular polygon with 60 sides. The polygon rotates every minute. How much has the polygon rotated after 7 minutes?

Answer: 42°

Question: At which angle will the hexagon rotate onto itself?

Answer: 180°

Question: Which statements are true about the reflectional symmetry of a regular heptagon? Check all that apply.

Answer: A line of symmetry will connect a vertex and a midpoint of an opposite side.

It has 7-fold symmetry.

Question: A parallelogram is transformed according to the rule (x, y) → (x, y). Which is another way to state the transformation?

Answer: R0, 360°

Question: A composition of transformations maps pre-image EFGH to final image E”F”G”H”.

The first transformation for this composition is ______, and the second transformation is a reflection across line c.

Answer: a translation down and to the left