Equations Index

# Slope Formulas & Calculator

The slope formula can be calculated using one of the following formula: one if you know the value for the two point of the line, (x1,y1) (x2,y2).

## Formula Knowing the Two Points Value

If you know the two points of the line you can calculate the slope using the following formula:

$$Slope = (y2-y1)/ (x2-x1)$$

(y2,y1) and (x2,x1)

Equation Result

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### Where:

$$(x1,y1) = "First Point Value"$$
$$(x2,y2) = "Secondo Point Value"$$

## Equation Definition

It is an equality which has at least one unknown value that must be cleared, these unknowns values are represented by letters.

## Formula Definition

It is a representation of a rule or a general principle using letters. (Algebra, A. Baldor)
When describing formulas in plural, it is also valid to say "formulae".

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