All of the points in the graph are on the same line.
Find the slope of the line.

Answer:
The slope of the line is [tex] \frac{1}{2} [/tex].
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Step-by-step explanation:
☆Remember:
[tex]m = \frac{y_2 - y_1}{x_2 - x_1} [/tex]
☆Just plug it in with 2 sets of coordinate points.
[tex]m = \frac{7 - 3}{9 - 1} = \frac{4}{8} = \frac{1}{2} [/tex]