What is the distance between the points (-2, 8) and (-10, 2) ?

a. 10 units
b. 15.6 units
c. 100 units
d. 244 units

Question

What is the distance between the points (-2, 8) and (-10, 2) ?

a. 10 units
b. 15.6 units
c. 100 units
d. 244 units

angela210793 · Answer

$$d=\sqrt{(x2-x1)^2+(y2-y1)^2}$$

anonymous · Answer

my 1st x is what ? & my 2nd x is what?

angela210793 · Answer

i explained tht in the previous q
x1=x of the 1st coordinate and so on...

amistre64 · Answer

subtract your points

  (-2, 8)
-(-10, 2) 
---------
   8 ,  6  ; now pythag it

should turn out to 10 in the long run

amistre64 · Answer

for an old man like me; its easier to step thru it; even tho the formula provides all the information needed in a compact and concise manner; i like to step thru it.

stack my points; subtract one from the other; and pythag it thru ..

amistre64 · Answer

if your concerned over which point to subtract from which; dont worry about it.

the distance from "here to there" is the same as the distance from "there to here" :)