Practice Semester Exam: 2014-2015 Unit 5 Questions Triangle has vertices , , and . The triangle is dilated about the point with scale factor 4. What is 5.1-1) ABC the location of ? A' (A) (B) (C) (D) 5.1-2) Use the diagram. Dilate line about the origin with scale factor 2. What is the equation of the line’s image? m (A) = 2x + 2 y (B) = 2x + 4 y (C) = 4x + 2 y (D) = 4x + 4 y 5.1-3) Use the diagram. Dilate line by a factor Which shows the result of the dilation? m P. (A) (B) (C) (D) 5.1-4) In the diagram, segments and intersect at lies on , and . E, F The two segments are dilated about with scale factor . What is ? F (A) 30° (B) 60° (C) 90° For questions 5-7, use the diagram. Let the figure be dilated with scale factor where 0 and 1. k, k k . 5.1-5) (A) True (B) 5.1-6) is between and G' B' F'. (A) True (B) False 5.1-7) (A) True (B) False
Practice Semester Exam: 2014-2015 Unit 5 Questions 5.1-1) Triangle ABC has vertices , , and . The triangle is dilated about the point with scale factor 4. What is the location of A' ? (A) (B) (C) (D) 5.1-2) Use the diagram. Dilate line m about the origin with scale factor 2. What is the equation of the line’s image? (A) y = 2x + 2 (B) y = 2x + 4 (C) y = 4x + 2 (D) y = 4x + 4 5.1-3) Use the diagram. Dilate line m by a factor P. Which shows the result of the dilation? (A) (B) (C) (D) 5.1-4) In the diagram, segments and intersect at E, F lies on , and . The two segments are dilated about F with scale factor . What is ? (A) 30° (B) 60° (C) 90° For questions 5-7, use the diagram. Let the figure be dilated with scale factor k, where k 0 and k 1. 5.1-5) . (A) True (B) 5.1-6) G' is between B' and F'. (A) True (B) False 5.1-7) (A) True (B) False