Q1
The point (0,5) lies on the:
Ay-axis
Bx-axis
Corigin
DQuadrant I only
CBSEClass 9 (CBSE)MathematicsCh 3 · Topic 2
Plotting Points in the Plane
Learning to plot points given their coordinates on the Cartesian plane.
Core concept
Special points have notable positions: any point (0,y) lies exactly on the y-axis (since it has zero horizontal movement), and any point (x,0) lies exactly on the x-axis (since it has zero vertical movement). Practising plotting a variety of points, including negative coordinates and points on the axes themselves, builds fluency with the coordinate system essential for graphing linear equations and other functions in later mathematics.
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CBSE class 9 plotting points in the plane
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• Plot (x,y) by moving x units horizontally and y units vertically from the origin.
• Points (0,y) lie exactly on the y-axis; points (x,0) lie exactly on the x-axis.
• Negative coordinates indicate movement left (for x) or down (for y).
• Fluency with plotting points is essential for graphing equations later.