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Mathematics for IGCSE & O level - Coordinate Geometry (Section 1 - No. 33)
What is the gradient of the line that passes through the points (1, -2) and (3, 2)?
1
2
-2
-1
Paliwanag
Gradient = (2 - (-2)) / (3 - 1) = 4 / 2 = 2
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