Find the slope of a line perpendicular to the line whose equation is 2y + 6x = 24
A
-3
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B
6
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C
1/3
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D
-1/6
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E
none of these
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Solution
The correct option is B 1/3 The given equation is 2y+6x=24⇒y=−3x+12 On comparing it with the general equation of line y=mx+c. it slope is −3 Therefore, slope of line perpendicular to given line is −1−3i.e 13 Option C is correct.