Slope from two points (Slope equals rise over run between two distinct points with different x.)

jee-mainjee-advanced

Slope equals rise over run between two distinct points with different x.

What each symbol means

SymbolWhat it stands for
mSlope of the line
(x1,y1),(x2,y2)Two distinct points on the line

When to use this

x2 ≠ x1 (vertical line has undefined slope in this form).