Point-slope form:
y - y1 = m(x - x1)
y - 1/6 = (-2/3)(x - -3/4)
y - 1/6 = (-2/3)(x + 3/4)
y - 1/6 = (-2/3)x - 1/2
y = (-2/3)x - 1/2 + 1/6
y = (-2/3)x - 3/6 + 1/6
y = (-2/3)x - 2/6
y = (-2/3)x - 1/3
It's a line with a slope of -2/3 and which crosses the y-axis at y = -1/3.