Unit Test Answers

The Pentagon exhibits which types of line symmetry?

Which number has two lines of symmetry?

Which figure exhibits horizontal symmetry?

How many lines of symmetry are in the word WOW?

Which statement is true of triangles P and Q?

Triangle XYZ is reflected across the x-axis, and X = (–11, 8). What are the coordinates of X’ ?

Triangle is the image of triangle Z after a series of transformations.Aliyah and Ivan described the sequence of transformations in different ways.Aliyah’s SequenceIvan’s Sequence1. a reflection of triangle Z across the y-axis2. a dilation by a scale factor of with the origin as the center of dilation 3. a translation 2 units up1. a dilation of triangle Z by a scale factor of with the origin as the center of dilation 2. a translation of 2 units up and 2 units to the leftWhich sequence or sequences are correct and why?

Mikel is determining if the two triangles below could be similar based on their side lengths. Which statements accurately describe the triangles? Check all that apply.

If the triangle on the grid below is translated by using the rule , what will be the coordinates of ?

What is the coordinate for the image of point H(2, –6) under a 90° clockwise rotation about the origin?

The rectangle is the image after a dilation with the center of dilation at the origin of rectangle ABCD. The pre-image of , point A, has coordinates of (–4, 3.2). What is the scale factor of the dilation and what are the coordinates of point C?

Rectangle PQRS is rotated 90° counterclockwise about the origin.What are the coordinates of point Q’?

What is the scale factor of a triangle with a vertex of A(–6, 4) that has been dilated with a center of dilation at the origin so the vertex of its image is (–24, 16)?