if A is a point on the x-axis whose abscissa is 5 and B is the point (1,-3),then the distance AB is

Asked by science field | 11th Jan, 2014, 02:35: PM

Expert Answer:

A is a point on the x-axis whose abscissa is 5. So, the coordinates of the point A are (5, 0).
The coordinates of point B are given to be (1, -3).
 
Using distance formula,
AB = sqrt [(5-1)2 + (0+3)2]
AB = sqrt [16 + 9]
AB = sqrt [25]
AB = 5 units

Answered by  | 11th Jan, 2014, 08:50: PM

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