135Course 3 • Chapter 6 Transformations
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Test, Form 1BWrite the letter for the correct answer in the blank at the right of each question.
For Exercises 1–6, triangle PQR has vertices as shown.
y
x
1. If the figure is translated 6 units down, what are thecoordinates of R'?A. (-3, 3) C. (-3, -3)B. (3, -3) D. (3, 3)
2. If the figure is translated 1 unit left and 2 units down, what arethe coordinates of Q′?F. (3, 1) H. (-3, 1)G. (3, -1) I. (-3, -1)
3. If the figure is rotated 270° clockwise about the origin, what arethe coordinates of Q′?A. (-4, 1) C. (-1, -4)B. (4, -1) D. (-1, 4)
4. If the figure is reflected over the y-axis, what are thecoordinates of P'?F. (-1, -1) H. (1, -1)G. (-1, 1) I. (1, 1)
5. If the figure is dilated using a scale factor of 3, what are thecoordinates of R'?A. (-9, 9) C. (-9, -9)B. (9, -9) D. (9, 9)
6. If the figure is reflected over the x-axis, what are the coordinates of Q'?
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P rinterP DF
F. (4, 1) H. (4, −1)G. (−4, 1) I. (−4, −1)
136 Course 3 • Chapter 6 Transformations
NAME _____________________________________________ DATE __________________ PERIOD _________
SCORE _________Copyright ©
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Test, Form 1B (continued)Test, Form 1B (continued)
7. Triangle LMN has vertices L(-1, 4), M(-2, 4), and N(-1, -1). What are the coordinates of the image of point M after a dilation with a scale factor of 3?
A. M′(-6, 12) C. M′(-2, 12) B. M′(-6, 4) D. M′(12, -6)
8. Triangle RST has vertices R(-1, 1), S(3, 1), and T(3, -4). What are the coordinates of the image of �RST after a translation 4 units to the left and 2 units down?
F. R′(-5, 1), S′(-1, 1), and T′(-1, -4)
G. R′(-5, -1), S′(3, -1), and T′(-1, -4)
H. R′(-1, -1), S′(3, -1), and T′(3, -6)
I. R′(-5, -1), S′(-1, -1), and T′(-1, -6)
9. Quadrilateral WXYZ has vertices W(-3, 4), X(-3, 1), Y(2, 1), and Z(2, 4). What are the coordinates of the image of point W after a reflection across the y-axis?
A. W′(3, 4) C. W′(-3, -4) B. W′(3, -4) D. W′(4, -3)
10. Triangle PQR has vertices P(6, 5), Q(6, 10), and R(0, 5). What are the coordinates of the image of point P after the triangle is rotated 180° clockwise about the origin?
F. P′(-6, 5) H. P′(5, 6) G. P′(-6, -5) I. P′(5, -6)
11. The graph shows segment M′N′ is a dilation of segment MN. What is the scale factor of the dilation?
A. 4 C. 1 −
2
B. 2 D. 1 −
4
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P rinter P DF
