Question

find the value of a if the distance between the points a(-3 -14) and b(a -5) is 9 units

Answer 1

I hope it will help you...

Answer 2

81 = (-14+5)² + (-3-a)²

81 = 81 + 9 + a² + 6a

a² + 6a + 9 =0

a = 3.

-WonderGirl