Answer:
y = -1/4x + 14
Explanation:
Perpendicular lines have opposite reciprocal slopes, so the line's slope will be -1/4
Plug in the slope and given point into y = mx + b to find b
y = mx + b
12 = -1/4(8) + b
12 = -2 + b
14 = b
Then, plug in the slope and b into the equation again
y = -1/4x + 14 will be the equation