To find the answer,we need to put the coordinate of point P (-7, 12) into the equation.
x= -7 as it is the x coordinate.
y= 12 as it is the y coordinate.
The equation:
12 = k(-7) + 2
12 = -7k + 2
7k = 2-12
k = -10/7
Therefore, k = -10/7.
Hope it helps!