Slope Calculator
Point 1
Point 2
The slope of a line measures its steepness — how much y changes for each unit increase in x. Slope is fundamental to coordinate geometry, calculus, statistics (linear regression), and everyday applications like road gradients.
- 1Slope m = (y₂ − y₁) / (x₂ − x₁)
- 2Positive slope: line rises from left to right
- 3Negative slope: line falls from left to right
- 4Zero slope: horizontal line
- 5Undefined slope: vertical line (x₁ = x₂)
Points (0,0) and (3,6)=Slope = 2(6−0)/(3−0) = 2. For every 1 step right, go 2 up
Points (1,5) and (4,2)=Slope = −1(2−5)/(4−1) = −3/3 = −1. Line falls at 45°
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