What is the slope of a line perpendicular to the line whose equation is 2x-y=5 fully reduce your answer

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  -1/2

Explanation:

Solving the equation for y, we can find the slope of the given line. It is the coefficient of x.

  y = 2x -5 . . . . . slope = 2

The slope of the perpendicular line will be the opposite reciprocal:

  m = -1/2 . . . . . slope of perpendicular line

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