SOMEONE PLEASE HELP ME ASAP PLEASE!!!

Answer:
-2
Step-by-step explanation:
Perpendicular lines have opposite reciprocal slopes.
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Answer:
-2.
Step-by-step explanation:
To find the slope of a perpendicular line to y = 1/2x + 8, take the negative reciprocal of 1/2:
1/2 --> -2. This is the slope of a perpendicular line.