If a straight line passes through the point x = 24 and y = 8 and also through the point x = 8 and y = 16, the slope of this line is:
A)negative 4 divided by 8.
B)seven tenths.
C)one half.
D)one and one half.

Question

Quizplus · Accepted Answer

The slope of a line passing through two points (x1, y1) and (x2, y2) is given by (y2 - y1) / (x2 - x1). Substituting the given points (24, 8) and (8, 16) gives (16 - 8) / (8 - 24) = 8 / -16 = -1/2, which simplifies to negative 4 divided by 8.

If a Straight Line Passes Through the Point X =