Reflections — Unit test Answers

The function rule T–4, 6(x, y) could be used to describe which translation?

The diameter of one circle is represented by 12x. The diameter of another circle is represented by . What is the ratio of the radii of the two circles?

On a coordinate plane, 2 rectangles are shown. Rectangle P Q R S has points (1, 1), (1, 5), (3, 5), (1, 5). Rectangle P double-prime Q double-prime R double-prime S double-prime has points (negative 1, negative 1), (negative 5, negative 1), (negative 5, negative 3), (negative 1, negative 3).

If the scale factor between two circles is , what is the ratio of their areas?

A line segment has endpoints at (–1, 4) and (4, 1). Which reflection will produce an image with endpoints at (–4, 1) and (–1, –4)?

Which statements are true about the reflectional symmetry of a regular heptagon? Select two options.

The image of trapezoid PQRS after a reflection across is trapezoid P'Q'R'S'.

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

A hexagon has different side lengths and angle measures. The top and bottom sides are equal, and the left and right sides are equal. The top 2 angles and bottom 2 angles are equal, and the left and right angles are equal.

Triangle PQR has vertices , , and . It is translated according to the rule .What is the y-value of ?

Triangle ABC is rotated to create the image A'B'C'.

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?

On a coordinate plane, a square and a point are shown. The square has points R prime (negative 8, 1), S prime (negative 4, 1), T prime (negative 4, negative 3), and U prime (negative 8, negative 3). Point S is at (3, negative 5).

The diagram below shows the partial construction of which shape?

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

Pentagon A B C D E is reflected across the line of reflection m to pentagon A prime B prime C prime D prime E prime. Pentagon A prime B prime C prime D prime E prime is rotated about point C prime 180 degrees clockwise.

Which of the following is a step used in the construction of an equilateral triangle inscribed in a circle?

The figure is an isosceles trapezoid.

Right triangle LMN has vertices L(7, –3), M(7, –8), andN(10, –8). The triangle is translated on the coordinate plane so the coordinates of L’ are (–1, 8).

On a coordinate plane, a triangle has points A (negative 5, 3), B (negative 2, 4), C (negative 2, 2).