- A3 units
- B5 units
- C8 units
- D2 units
Step-by-Step Solution
K is . Its distance from the -axis is the size of its ordinate, units. (5 units is its distance from the -axis.)
Answer: A) 3 units
Point K is plotted on the Cartesian plane. What is the distance of K from the -axis?
Class 9Coordinate GeometryCoordinate Geometry
Key idea: The Cartesian plane
Two perpendicular axes — horizontal -axis) and vertical -axis) — meet at the **origin** (0, 0). Together they divide the plane into four **quadrants**:
- **I**: > 0 (top right)
- **II**: > 0 (top left)
- **III**: < 0 (bottom left)
- **IV**: < 0 (bottom right)
Points ON the axes don't belong to any quadrant. (a, 0) sits on the -axis; (0, b) sits on the -axis.
- **I**: > 0 (top right)
- **II**: > 0 (top left)
- **III**: < 0 (bottom left)
- **IV**: < 0 (bottom right)
Points ON the axes don't belong to any quadrant. (a, 0) sits on the -axis; (0, b) sits on the -axis.
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