MathematicsThe distance of the point (h,k) from x-axis is 

The distance of the point (h,k) from x-axis is 


  1. A
    k units
  2. B
    0 units
  3. C
    |h|units
  4. D
    None of the above 

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    Solution:

    Given point is (h,k).
    The distance between two points such as  (x1,y1) and (x2,y2) is given as
    D=x1-x22+y1-y22………………(1)
    The distance of the point (h,k) from the x-axis that is (h,0) is,
    ⇒D=h-h2+0-k2 ⇒D=k2 ⇒D=|k| units. Therefore, the distance of the point (h,k) from x-axis is |k| units.
    Hence the correct option is 1.
     
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