Find the value of a if the line 2y - ax 4 0 is ... - JAMB Mathematics 2002 Question
Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0
A
-4
B
4
C
8
D
-8
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Correct Option: C
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