Geometryeasy · Past Paper
The gradient of the line joining the points (x1, y1) and (x2, y2) is:
A(y2 - y1) / (x2 - x1)
B(x2 - x1) / (y2 - y1)
C(y2 + y1) / (x2 + x1)
D(y2 - x2) / (y1 - x1)
✓ Correct Answer: A — (y2 - y1) / (x2 - x1)
This is the definition of slope/gradient as rise over run.
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