Question

find the distance between points a (-16,5) and b (-6, -5)

Answer 1

use the formula.

Answer 2

I have the formula I am not sure once I get it to the radical of 200

Answer 3

http://geometry.jdeer.com/Images/c1/distance%20formula.gif

Answer 4

u r correct. ^^

Answer 5

simplify that radical, but yeah

Answer 6

radical 10 and radical 20?

Answer 7

u will get, \[10\sqrt{2}\]

Answer 8

which is equal to ~14.14

Answer 9

a - proj{a} b

Answer 10

dot product over magnitudes

Answer 11

\[\sqrt{200} = \sqrt{100 \cdot 2} = \sqrt{10^2 \cdot 2} = 10 \cdot \sqrt{2} = 10 \sqrt{2}\]