The distance (r) between any two points (a,b) and (c,d) is :—
[tex]r = \sqrt{{(a - c)}^{2} + {(b - d)}^{2} } [/tex]
Putting the values,
[tex] \sqrt{ {( - 4 + 8)}^{2} + {( - 3 - 2) }^{2} } [/tex]
[tex]r = \sqrt{16 + 25} [/tex]
[tex]r = \sqrt{41} [/tex]
The distance between the points is √41