how do you find slope from 2 points?
Divide the line's vertical change by it horizontal change.
One way to rememberr the process is is "rise over run".
Example, given two points on the line: (8,5) and (12,7)
Δ y 7 – 5 2
Slope = –––– = –––––––– = ––– = 1 / 2
Δ x 12 – 8 4
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