Unit 3 Practice Worksheet

Transformations Practice

Name: _______________________________________

Day 2: Reflections & Rotations

Reflections

1. Reflect the figure with vertices A(1, 4), B(4, 1), C(1, 1) over the y-axis. Label the image A'B'C'.

A': (____, ____)
B': (____, ____)
C': (____, ____)

2. Reflect the figure with vertices D(-5, -2), E(-2, -2), F(-4, -5) over the line y = x. Label the image D'E'F'.

D': (____, ____)
E': (____, ____)
F': (____, ____)

Rotations

3. Rotate the figure with vertices P(2, 2), Q(5, 2), R(5, 4) 90° counterclockwise about the origin. Label the image P'Q'R'.

P': (____, ____)
Q': (____, ____)
R': (____, ____)

4. Rotate the figure with vertices S(-4, 1), T(-1, 1), U(-1, 5) 180° about the origin. Label the image S'T'U'.

S': (____, ____)
T': (____, ____)
U': (____, ____)

Day 3: Translations & Dilations

Translations

5. Translate the figure with vertices A(-4, 4), B(-1, 2), C(-3, 1) using the rule (x, y) → (x + 5, y - 3). Label the image A'B'C'.

A': (____, ____)
B': (____, ____)
C': (____, ____)

6. Describe the translation that maps P(2, -3) to P'( -1, 1) using coordinate notation.

(x, y) → (__________, __________)

Dilations

7. Dilate the figure with vertices D(1, 2), E(3, 2), F(3, 1) by a scale factor of k = 3 from the origin. Label the image D'E'F'.

D': (____, ____)
E': (____, ____)
F': (____, ____)

8. The vertices of a triangle are G(4, -2), H(8, -2), J(8, -6). Find the vertices of the image after a dilation with a scale factor of k = 1/2.

G': (____, ____)
H': (____, ____)
J': (____, ____)

Day 4: Sequences of Transformations

9. Triangle PQR has vertices P(1, 1), Q(3, 4), R(5, 1). Perform the following sequence:
1st: Reflect over the x-axis.
2nd: Translate (x, y) → (x - 4, y + 2).

P'': (____, ____)
Q'': (____, ____)
R'': (____, ____)

10. Point Z(-2, 3) is rotated 180° and then reflected over the line y = x. What are the coordinates of Z''?

Z'': (____, ____)

11. Rectangle ABCD has vertices A(2, 4), B(5, 4), C(5, 2), D(2, 2). Perform the following sequence:
1st: Dilate with a scale factor of 1/2.
2nd: Rotate 90° counterclockwise.

A'': (____, ____)
B'': (____, ____)
C'': (____, ____)
D'': (____, ____)

12. Describe a sequence of transformations that maps Figure 1 to Figure 2.

1 2

Answer: __________________________________________________

_________________________________________________________