Answer:
see explanation
Explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
here m = - 2 and (a, b) = (10, - 9), hence
y - (- 9) = - 2(x - 10), that is
y + 9 = - 2(x - 10) ← in point- slope form