Coordinate Geometry
Himachal Pradesh Board · Class 9 · Mathematics
All formulas from Coordinate Geometry in Himachal Pradesh Board Class 9 Mathematics. Key equations, constants, and identities for board exam preparation.
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Signs of Coordinates in Each Quadrant
Quadrant I → (+, +)
Quadrant II → (−, +)
Quadrant III → (−, −)
Quadrant IV → (+, −)
Plotting Points — Step-by-Step Procedure
Step 1: Identify x-coordinate (abscissa) → move horizontally from origin
Step 2: Identify y-coordinate (ordinate) → move vertically from x position
Reading Coordinates from a Graph
x-coordinate = perpendicular distance from y-axis (with sign based on direction)
y-coordinate = perpendicular distance from x-axis (with sign based on direction)
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