the point whose abscissa is equal to its ordinate which is equidistant from A(-1,0) and B(0,5)
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Answer:
Point is ( 2 , 2)
Step-by-step explanation:
the point whose abscissa is equal to its ordinate which is equidistant from A(-1,0) and B(0,5)
abscissa is equal to its ordinate
so let say point P is ( a , a)
This point is equidistant from A(-1,0) and B(0,5)
=> |PA| = |PB|
=> PA² = PB²
PA² = (a + 1)² + a²
PB² = a² + (a - 5)²
Equating both
(a + 1)² + a² = a² + (a - 5)²
=> (a + 1)² = (a - 5)²
=> a² + 1 + 2a = a² + 25 - 10a
=> 12a = 24
=> a = 2
Point is ( 2 , 2)
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a round solid figure, or its surface, with every point on its surface equidistant from its centre.
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