Question

C(7, 1) and D(4, -6)

Distance =

Answer 1

\[d(C, D) = \sqrt{(C_1 - D_1)^2 + (C_2 - D_2)^2} = \sqrt{3^2 + 7^2} = \sqrt{9 + 49} = \sqrt{58}\]

Answer 2

\[\sqrt{(-6-1)^{2}+(4-7)^{2}} = \sqrt{(-7)^{2}+(3)^{2}} =\sqrt{49 + 9} =\sqrt{58}\]