Question: Multiple choice please show work (12, 13) 12. The slope of the vector that is perpendicular to the line 2x - 6y + 1 =0

Multiple choice please show work (12, 13)

12. The slope of the vector that is perpendicular to the line 2x - 6y + 1 =0 is: a) - 1 1 6 b ) 2 C ) - 3 d) -3 13. The dot product a = (2, 5, 1) and b = (-5, 4, 2) is: a) 12 b) 5 c) (-3, 9, 3) d) (-10, 20, 2)

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