Answer:
y = 1/7x - 12/7
Explanation:
standard form: y = mx + b
point-slope form: y - y1 = m(x - x1)
slope = m = 1/7
Use point-slope form and the point (5, -1) to find b (the y-intercept):
y - -1 = 1/7(x - 5)
y + 1 = 1/7x - 5/7
y = 1/7x - 5/7 - 1
y = 1/7x - 12/7