Tool to compute a slope from 2 points. The slope coefficient of a line indicates the variation of the y-coordinate when the x-coordinate increments of 1 unit.

Slope Coefficient - dCode

Tag(s) : Geometry, Functions

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Tool to compute a slope from 2 points. The slope coefficient of a line indicates the variation of the y-coordinate when the x-coordinate increments of 1 unit.

From 2 points A(x1,y1) and B(x2,y2), the **slope coefficient** of the line or the segment hat passes through points A and B is calculated from the fraction formula : $$ \frac{y2-y1}{x2-x1} $$

Example: Search the slope of an affine function that goes through 2 points (x-axis, y-axis) A(1,2) and B(3,4), is calculating the slope value which is \( \frac{4-2}{3-1} = \frac{2}{2} = 1 \)

If a line is vertical then the **slope coefficient** is infinity \( \infty \).

If a line is vertical then the **slope coefficient** is \( 0 \). This is sometimes the case of a tangeant or an asymptote.

Any line on the plane corresponds to an affine function of equation $ y = ax + b $ with $ a $ the directional coefficient and $ b $ the ordinate at the origin.

Two lines are parallel if and only if their **slope coefficients** are equal.

Two lines are perpendicular if and only if the product of their slope coeffifients is -1.

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- Slope Coefficient Calculator
- How to calculate slope coefficient?
- What is the slope coefficient of a vertical line?
- What is the slope coefficient of an horizontal line?
- How to find the equation of a line with the slope coefficient?
- How to demonstrate that 2 lines are parallel?
- How to demonstrate that 2 lines are perpendicular?

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