Question

Find the distance between the points (1, 2) and (4, 3).
Okay so Im using the formula
(x^2-x^1)^2+(y^2-y1)^2
4^2-1^2+3^2-2^2

15+5=20 But I dont see the answer
√7
√10
5√2

Answer 1

distance formula : sqrt [ (x2 - x1)^2 + (y2-y1)^2 ]

Answer 2

(1, 2) and (4, 3)
x1 y1 x2 y2

Answer 3

right

Answer 4

sqrt[ (4-1)^2 + (3-2)^2 ]

simplify

Answer 5

simplify???

Answer 6

Im supposed to simplify??

Answer 7

yes

Answer 8

It doesn't tell me to...

Answer 9

sqrt[ (4-1)^2 + (3-2)^2 ]

sqrt[3^2 + 1^2 ]

sqrt[ 9+1 ]

sqrt(10)

Answer 10

nobody tells u to simplify,
u need to simplify to get to the answer :P

Answer 11

wth

Answer 12

No when it was explaining to me how to solve these problems it only told me to use the formula thats why im confused why you're simplifying you simplified 4 to 3?

Answer 13

I did( 4^2-1^2)+(3^2-2^2)

Answer 14

wtf....

Answer 15

you're using the wrong formula

Answer 16

dude im so confused

Answer 17

x2 is not same as x^2

Answer 18

I used that...

Answer 19

yes,

x2 is not same as x^2

Answer 20

(1, 2) and (4, 3)
x1 y1 x2 y2

Answer 21

plug them

Answer 22

but why did you simplify

Answer 23

latex+drawing is not working for me. come here :
http://www.twiddla.com/1470080

Answer 24

I have a similiar question but I have no idea what the hell im doing wrong!

Answer 25

whats the question ? :)