Find b given that p(b,2) is equidistant from a(5,4) and b(2,5)

asked May 3, 2018 104k views

3 votes

by Yoomi

8.0k points

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4 votes

hello :
PA = PB or PA² = PB²
(5-b)²+(4-2)² = (2-b)² + (5-2)²
(5-b)²+4 = (2-b)² + 9
25 -10b +b² + 4 = 4 -4b+b² +9
-6b = -16
b = 8/3

Snrlx answered May 8, 2018

by Snrlx

7.5k points

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