Prime DSE Series - Mathematics Mock Exam Papers (Compulsory)(Sixth Edition) Set 2 Paper 1&2

10 HKDSE-MATH-CP (Set 2 P2) © United Prime Educational Publishing (HK) Ltd. 26. L 1 and L 2 are two straight lines and the equation of L 1 is x y 2 4 0 - - = . Let P be a moving point in the rectangular coordinate plane such that the perpendicular distance from P to L 1 is equal to the perpendicular distance from P to L 2 . Denote the locus of P by C . If the equation of C is x y 0 10 5 6 - + = , which of the following is/are true? I. L 2 is perpendicular to C . II. L 2 is parallel to L 1 . III. The y -intercept of L 2 is 5 32 . A. I only B. II only C. I and III only D. II and III only 27. Let k be a constant, where k 1 5 1 1 . Which of the following may represent the graph of x y x y k 2 4 0 2 2 + - + + = ? A. y x O B. y x O C. y x O D. y x O Sample © United Prime Educational Publishing (HK) Limited 2025 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher.