## Spring98 one year ago What is the distance between A and B? Round your answer to the nearest hundredth. A. 9.58 B. 10.63 C. 11.56 D. 12.29

1. jdoe0001

well, if we knew either, that'd help otherwise I'd have to rub my crystal ball but I think that'd just make it shinier only

2. Spring98
3. anonymous

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

4. jdoe0001

well, what are coordinates for point A and B?

5. Spring98

(0, 6) and (7,-2)

6. jdoe0001

well then $$\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) A&({\color{red}{ 0}}\quad ,&{\color{blue}{ 6}})\quad % (c,d) B&({\color{red}{ 7}}\quad ,&{\color{blue}{ -2}}) \end{array}\qquad % distance value d = \sqrt{({\color{red}{ x_2}}-{\color{red}{ x_1}})^2 + ({\color{blue}{ y_2}}-{\color{blue}{ y_1}})^2}$$

7. anonymous

0 = x1 7 = x2 6 = y1 -2 = y2 Plug into formula above

8. anonymous

$\sqrt{(0-7)^2+(6-(-2))^2}$

9. Spring98

umm so would the answer be B?

10. anonymous

yes

11. Spring98

@jdoe0001 is @Lily2913 right?

12. Spring98

when someone helps me i like my answers to be confirmed.

13. anonymous

Yes B is right

14. jdoe0001

well, what did YOU get though?

15. Spring98

thanks you! I wish i could medal you all for helping. :)