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Mathematics 7 Online
OpenStudy (anonymous):

I need help on my HW 15 questions please. What is the distance between the points (8, 3) and (8, –6)? A. 3 units B. 8 units C. 9 units D. 17 units

OpenStudy (anonymous):

@jagr2713 @JoannaBlackwelder @Blonde_Gangsta

OpenStudy (jdoe0001):

hmmm shold be -6 thus \(\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({\color{red}{ 8}}\quad ,&{\color{blue}{ 3}})\quad % (c,d) &({\color{red}{ 8}}\quad ,&{\color{blue}{ -6}}) \end{array}\qquad % distance value d = \sqrt{({\color{red}{ x_2}}-{\color{red}{ x_1}})^2 + ({\color{blue}{ y_2}}-{\color{blue}{ y_1}})^2}\)

OpenStudy (anonymous):

easier way is to make a graph, 9 units

OpenStudy (jdoe0001):

yeap... could be, since the "x" is the same

OpenStudy (anonymous):

thank you so much!!

OpenStudy (anonymous):

mWhat is the distance between the points (–4, 7) and (–7, 8)? Round your answer to the nearest tenth. A. 3.2 units B. 4.0 units C. 11.0 units D. 18.6 units

OpenStudy (anonymous):

use @jdoe0001 's way this time :)

OpenStudy (anonymous):

okay thank ya'll for helping so much! :) @YZY @jdoe0001

OpenStudy (anonymous):

no problem :)

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