Question

¿how can I resolve this?
PQ: P(0, 0), Q(–2, 1) ​

Answer 1

sqrt(5)

Explanation:

Distance formula sqrt((x2-x1)^2+(y2-y1)^2)

sqrt((-2-0)^2+(1-0)^2)

sqrt((4)+1)

sqrt(5)

Answer 2

0+-2=-2

0+1=1

-2+1=-1

Explanation: