x: 8, 7, 10, 6, 2
y:15,14, 17,13, 9
What is the rule to this?
The slope between any two points is [ 13 - 9] / [ 6 - 2] = 4 /4 = 1
Using the first point we can write the equation of the line as follows:
y - 15 = 1 (x - 8)
y - 15 = x - 8
y = x + 7