Answer:
-0.4
Explanation:
Point A
(
x
A
,
y
A
)
= (-1, 1)
Point B
(
x
B
,
y
B
)
= (4, -1)
Objective :
Find the slope of a line that passes through points A and B.
Formula :
Slope
m
=
y
B
−
y
A
x
B
−
x
A
Solution:
Slope
m
=
−
1
−
1
4
−
−
1
=
−
2
5
m = -0.4