Which of the following gives the slope of the line passing through the points and ?

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

Problem

Which of the following gives the slope

m

of the line passing through the points

(x_1,y_1)

and

(x_2,y_2)

? (a)

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

(b)

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

(c)

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

(d)

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