Q. The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?
A) 4
B) -7
C) -4
D) 7
✔ Correct Answer: 7
Exam Insight
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A) 4
B) -7
C) -4
D) 7
✔ Correct Answer: 7
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