Answer:
slope = 3/7
Step-by-step explanation:
To find slope we need two coordinates from the line.
Let it be (-7, 0) and (3, 0)
[tex]slope, m = \frac{y_2-y_1}{x_2-x_1}= \frac{3-0}{0--7} = \frac{3}{7}[/tex]