Unlock the secrets of Coordinate Geometry through our comprehensive collection of 25 expertly solved examples that turn complex concepts of Coordinates, Locus, and Straight Lines into clear, manageable steps. Whether you're preparing for JEE Main, JEE Advanced, Olympiad or board examinations, this detailed guide covers every essential aspect - from understanding the distance formula and section formulas to mastering complex applications involving pair of straight lines, families of lines, and geometric locus problems. Each solution is crafted to help you grasp fundamental concepts like slope of lines, different forms of line equations (slope-intercept, point-slope, intercept, and normal forms), and the elegant relationship between parallel and perpendicular lines. Perfect for self-study and exam preparation, our step-by-step explanations tackle everything from basic coordinate problems to advanced applications in analytical geometry, including foot of perpendicular calculations, image point determination, and rotation of axes. Learn how to approach both theoretical questions and numerical problems with confidence through our meticulously selected examples that reflect actual examination patterns.