Question

2.1 part 1 (recorded)
score: 4/13 answered: 4/13
question 2
find the slope of the line through the points (5, -1) and (4, 2) and then graph it.
slope =
enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
enter dne for does not exist, oo for infinity
question help: video ebook message instructor

Explanation:

Step1: Recall slope - formula

The slope formula between two points $(x_1,y_1)$ and $(x_2,y_2)$ is $m=\frac{y_2 - y_1}{x_2 - x_1}$.
Let $(x_1,y_1)=(5, - 1)$ and $(x_2,y_2)=(4,2)$.

Step2: Substitute values

$m=\frac{2-(-1)}{4 - 5}=\frac{2 + 1}{4 - 5}=\frac{3}{-1}=-3$.

Answer:

$-3$