Suppose point A represents coordinates (X = 2, Y = 12) and point B represents coordinates (X = 6, Y
= 4). The slope of the straight line joining points A and B is
A) - 2.
B) 5.
C) 2.
D) - 1 .
E) 1 . 2 2

Question

Quizplus · Accepted Answer

The slope of a line joining two points (x1, y1) and (x2, y2) is calculated as (y2 - y1) / (x2 - x1). For points A (2, 12) and B (6, 4), the slope is (4 - 12) / (6 - 2) = -8 / 4 = -2.

Suppose Point a Represents Coordinates (X = 2, Y =