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Coordinate Geometry

CBSE · Class 11 · Applied Mathematics

Quick revision notes for Coordinate Geometry — CBSE Class 11 Applied Mathematics. Key concepts, formulas, and definitions for last-minute revision.

45 questions25 flashcards5 concepts

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Key Topics to Revise

1

Straight Lines - Basic Concepts

  • A straight line is a curve where every point on the line segment joining any two points lies on the line
  • The equation of a straight line is a linear relation between x and y variables
  • Inclination of a line is the angle θ (0° ≤ θ < 180°) with positive x-axis measured anticlockwise
2

Equations of Straight Lines

  • Point-slope form: Most useful when slope and one point are known
  • Two-point form: Used when two points on the line are given
  • Slope-intercept form: Shows slope and y-intercept directly
3

Distance and Perpendicular Distance

  • Distance from a point to a line is the shortest distance (perpendicular distance)
  • Formula works for any line in general form Ax + By + C = 0
  • Distance between parallel lines uses the same perpendicular distance concept
4

Circles - Equations and Properties

  • Circle is the set of all points equidistant from a fixed center
  • Standard form: x² + y² = r² (center at origin)
  • Central form: (x-h)² + (y-k)² = r² (center at (h,k))

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Full Notes

Key Concepts

The slope (m) of a lineLines can be represented in multipleThe perpendicular distance from a pointCircles can be represented asA parabola is the set

Frequently Asked Questions

What are the important topics in Coordinate Geometry for CBSE Class 11 Applied Mathematics?
Coordinate Geometry covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Coordinate Geometry — CBSE Class 11 Applied Mathematics?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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