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Write the coordinate of a point …

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Write the coordinate of a point on x-axis which is equidistant from the points (-3,4) and (7,6).
  • 1 answers

Yogita Ingle 4 years, 10 months ago

Let the point on the x-axis be (x,0)
Distance between (x,0) and (7,6)=√(7−x)2+(6−0)2​=√72+x2−14x+36 ​= √x2−14x+85​
Distance between (x,0) and (−3,4)=√(−3−x)2+(4−0)2​ = √32+x2+6x+16​= √x2+6x+25​
As the point (x,0) is equidistant from the two points, both the distances
calculated are equal.
x2−14x+85​=x2+6x+25​
=>x2−14x+85=x2+6x+25
85−25=6x+14x
60=20x
x=3
Thus, the point is (3,0)

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