Mathematics
OpenStudy (anonymous):

calculate the distance between the points F = (-2,-9) and P = (-6,-1) in the Cartesian plane. Write the exact answer in radical form.

OpenStudy (anonymous):

over 4 units, up 8 units pythagas gives $$d^2=4^2+8^2$$ so $$d=\sqrt{4^2+8^2}=\sqrt{16+64}=\sqrt{80}$$

OpenStudy (anonymous):

simplest radical form we have $$80=16\times 5$$ so $\sqrt{80}=\sqrt{16\times 5}=\sqrt{16}\times \sqrt{5}=4\sqrt{5}$

Latest Questions
Stuartbent: I wanna increase my ss. Who will help me?
9 seconds ago 19 Replies 1 Medal
rxcklesskaisher: Salsa MARCH
35 minutes ago 0 Replies 0 Medals
Brandy1: what is your definition of home? Use four points if you can
56 minutes ago 5 Replies 0 Medals
cutieprincess: what is 90 and 100 what is higher and what is the equation'
39 minutes ago 2 Replies 1 Medal
AnxiTEA: C= 5 9 (Fu221232) ?
1 hour ago 8 Replies 4 Medals