133_144_CC_A_AMC3_C06_662329.indd Page 133 3/2/12 2:00 AM s-019 /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY.. /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY... NAME _____________________________________________ DATE __________________ PERIOD _________ Test, Form 1A SCORE _________ Write the letter for the correct answer in the blank at the right of each question. For Exercises 1–5, parallelogram JKLM has vertices as shown. y - . Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. 0 + , x 1. If the figure is translated 4 units left, what are the coordinates of J'? A. (0, -4) C. (-4, 0) B. (0, 4) D. (4, 0) 1. 2. If the figure is translated 2 units left and 4 units down, what are the coordinates of L'? F. (-2, 2) H. (2, 2) G. (-2, -2) I. (2, -2) 2. 3. If the figure is rotated 90° clockwise about the origin, what are the coordinates of M'? A. (-1, 2) C. (-2, 1) B. (2, -1) D. (-2, -1) 3. B 4. If the figure is reflected over the x-axis, what are the coordinates of K'? F. (0, 3) H. (3, 0) G. (0, -3) I. (-3, 0) 4. H 1 5. If the figure is dilated using a scale factor of − , what are the 2 coordinates of L'? A. (2, 1) C. (8, 4) B. (2, -1) D. (-8, 4) 5. A 6. Five runners are entered in a race. Assuming there are no ties, in how many different ways can first and second places be awarded? F. 9 H. 20 G. 15 I. 25 6. C I H 133 Course 3 • Chapter 6 Transformations P rinter P DF 133_144_CC_A_AMC3_C06_662329.indd Page 134 3/2/12 2:00 AM s-019 /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY.. /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY... NAME _____________________________________________ DATE __________________ PERIOD _________ Test, Form 1A SCORE _________ (continued) 7. Triangle JKL has vertices J(0, 2), K(-1, 2), and L(0, -3). What are the coordinates of the image of point K after a dilation with a scale factor of 4? A. K'(8, 4) C. K'(4, 8) B. K'(8, -4) D. K'(-4, 8) 7. D 8. Triangle XYZ has vertices X(-4, 3), Y(-1, 2), and Z(-2, 0). What are the coordinates of the image of XYZ after a translation 3 units to the right and 1 unit up? F. G. H. I. X(-4, 4), Y(-1, 3) and Z(-2, 1) X(-1, 4), Y(2, 3) and Z(1, 1) X(-1, 3), Y(2, 2) and Z(1, 0) X(-7, 4), Y(-4, 3) and Z(-5, 1) 8. G 9. C 10. G 11. B 9. Quadrilateral ABCD has vertices A(-1, 3), B(-1, 0), C(4, 0), and D(4, 3). What are the coordinates of the image of point A after a reflection across the y-axis? A. A(3, -1) B. A(3, 1) C. A(1, 3) D. A(-1, -3) F. P(-4, 1) G. P(1, -4) H. P(-1, -4) I. P(1, 4) Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. 10. Triangle MNP has vertices M(5, 4), N(5, 9), and P(-1, 4). What are the coordinates of the image of point P after the triangle is rotated 180° clockwise about the origin? 11. The graph shows segment MN is a dilation of segment MN. What is the scale factor of the dilation? y N N O A. 4 B. 2 134 M M x 1 C. − 2 1 D. − 4 Course 3 • Chapter 6 Transformations P rinter P DF
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