Question

ok, correct me if I'm wrong. If my problem, is,say, (this is totaly not the problem on my homework) the distance between (0, -2), (-5, -1), the answer would be about 7.1, right?

Answer 1

that's a bit too big

Answer 2

So, what would you're answer be?

Answer 3

focus on the x coordinates for a moment

Answer 4

what is the distance from x = 0 to x = -5 ?

Answer 5

5

Answer 6

now focus on the y coordinates: what is the distance from y = -2 to y = -1 ?

Answer 7

1

Answer 8

so what we have is a right triangle

Answer 9

How do we find z?

Answer 10

1^2=5^2

Answer 11

I think you meant to say 1^2 + 5^2 = z^2

Answer 12

yeah

Answer 13

z = ??

Answer 14

the square rout of 26, witch I think is...

Answer 15

equal to what approximate value?

Answer 16

5.1?

Answer 17

ish

Answer 18

OMG you're my new besty thanks so much!

Answer 19

here is more practice with the distance formula

http://www.purplemath.com/modules/distform.htm