The slope of the line contains the points (4,-7) and (1,5) is ..?

1 Answer
Jun 13, 2018

-4

Explanation:

The slope is essentially the gradient of the line:

The formulaic approach to find the gradient of the a line with two given points: (x_1,y_1) and (x_2,y_2) is

\frac{y_2-y_1}{x_2-x_1]

Therefore plugging in the values o the points gives us:

\frac{5--7}{1-4}=-\frac{12}{3}=-4