Open Up - Grade 8 - Mathematics - Unit 1 - Lesson 6

Here is Trapezoid A in the coordinate plane:

Draw Polygon B, the image of A, using the -axis as the line of reflection.

Draw Polygon C, the image of B, using the -axis as the line of reflection.

Draw Polygon D, the image of C, using the -axis as the line of reflection.

The point (-4,1) is rotated 180 degrees counterclockwise using center (-3,0).

What are the coordinates of the image?

Describe a sequence of transformations for which Triangle B is the image of Triangle A.

Here is quadrilateral ABCD.

Draw the image of quadrilateral ABCD after each transformation.

The translation that takes B to D.

Here is quadrilateral ABCD.

Draw the image of quadrilateral ABCD after each transformation.

The reflection over segment BC.

Here is quadrilateral ABCD.

Draw the image of quadrilateral ABCD after each transformation.

The rotation about point A by angle DAB, counterclockwise.