Question

Find the distance between the two points in simplest radical form.y109007654321-10 -9-85432-112345799010-123 4-5-6-7-8-10

Answer 1

The points are (3,9) and (9,5) so the distance is

`d=\sqrt[]{(9-3)^2+(5-9)^2}=\sqrt[]{36+16}=\sqrt[]{52}=2\cdot\sqrt[]{13}`