Question

Find EA if E(0, -1) and A(1, 2).
2
1.41
3.16
1
i got 1 am i right?

Answer 1

3.16

Answer 2

thank you (:

Answer 3

\[\sqrt{10}\]

Answer 4

use pythagoras theorem

Answer 5

vector EA=(1-0)i +(2-(-1))j if i and j are unit vector in the direction of x and y axis.
magnitude of EA is square root of ((1^2)+(3^2))=square root of 10=3.16

Answer 6

thanks you (: