Which of the following expressions gives the slope of a straight line passing through…

MATHEMATICS · Single correct · CBSE · Mathematics · Straight Lines · Straight Lines

Problem

Which of the following expressions gives the slope of a straight line passing through two distinct points

(x_1,y_1)

and

(x_2,y_2)

, where

x_1 \neq x_2

? (a)

\dfrac{y_1-y_2}{x_2-x_1}

(b)

\dfrac{x_2-x_1}{y_2-y_1}

(c)

\dfrac{y_2-y_1}{x_2-x_1}

(d)

\dfrac{y_1+y_2}{x_1+x_2}