The equation of the line given a point and slope can be expressed as follows,
y - y1 = m(x - x1)
where x1 and y1 are the abscissa and ordinate of the point and m is the slope. Substituting the given,
y - 1250 = -10(x -950)
Simplification leads to y = -10x + 10750. Thus, the answer is letter B.
