Q15 of 20 Page 52

If the distance between the two points (x, –7) and (3, –3) is 5 units, then the values of x are

Distance between two points =



Squaring on both sides,


25 = (3 - x) 2 + (- 3 + 7) 2


25 = x2 - 3x + 25


Or


x2 - 3x = 0


=x(x - 3) = 0


x=0 or x = 3

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