411/3 + 388 = n - 79
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C. All of the above. Both formulas represents in calculating the slope.
<u>Step-by-step explanation:</u>
The slope(m) can be identified by the formula rise over run.
i.e. .
Rise is how much the line gone vertically ( y-axis) from the origin.
Run is how much the line gone horizontally (x-axis) from its origin.
∴ Rise =
And Run = .
⇒ .
Thus both equations can be used to find the slope of the line intercept.
If the points are given you can chose them yourself from the graph. Just consider any two points on the line.
