Unit Test — Unit test Answers

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).

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?

All side lengths in quadrilateral PQRS measure 4 units. A transformation maps PQRS to P'Q'R'S'. All sides of P'Q'R'S' measure 1 unit.

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

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

The figure is an isosceles trapezoid.

If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?

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

2 triangles have identical side lengths and angle measures. The second triangle is rotated slightly to the left.

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)?

Point P is the center of dilation. Triangle A B C is dilated to create triangle A prime B prime C prime. The length of P A is 2 and the length of P B is 3. The Length of A A prime is 4 and the length of B B prime is 5.

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

Triangle RST was dilated by a scale factor of . The image, triangle R'S'T', is an isosceles triangle, with each leg measuring 8 units.

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

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

A clock is constructed using a regular polygon with 60 sides. The polygon rotates each minute, making one full revolution each hour. How much has the polygon rotated after 7 minutes?

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).

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.

A transformation of ΔKLM results in ΔK'L'M'.

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