0

Find the gradient of the line joining the points (3, 2) and (1, 4)

A. 3/2

B. 2/1

C. -1

D. -3/2

**Comments**

0

from straight line equation,

y_{2} - y_{1} = m(x_{2} - x_{1})

m = gradient or slope

m = (y_{2} - y_{1})/(x_{2} - x_{1})

x_{2} = 3

x_{1} = 1

y_{2} = 2

y_{1} = 4

m = (3 - 1)/(2 - 4)

m = (2)/(-2)

m = -1

**Ans C**

Your Answer