Answer:
Explanation:
1)
let's take any two x, y co - ordinates from the given graph:
x1, y1 = 4, 15
x2, y2 = 6, 25
slope, m = y2 - y1 / x2 - x1
= 25 - 15 / 6 - 4
= 10/2 = 5
2)
the given two co - ordinates are:
x1, y1 = -1, -5
x2, y2 = 2, 1
slope, m = y2 - y1 / x2 - x1
= 1 + 5 / 2 + 1
= 6/3 = 2