Question

Find the distance between points A(−8, 7) and B(6, −9).

Answer 1

d = 2√113 ≈23.28

Explanation:

`d_(AB)=√((x_B-x_A)^2+(y_B-y_A)^2)\\\\d_(AB)=√((6+8)^2+(-9-7)^2)=√(14^2+(-16)^2)=√(196+256)=\\\\=√(542)=2√(113)\approx23.28`