Calculate the difference between the points k= (-2,-1) and g= (2,-8) in the coordinate plane

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kcajman kcajman

03-05-2017
Mathematics

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Calculate the difference between the points k= (-2,-1) and g= (2,-8) in the coordinate plane

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jdoe0001 jdoe0001 · Answer 1 · 2017-05-03T01:01:13+02:00

the difference between "k" and "g" is also the distance between them

thus [tex]\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) k&({{ -2}}\quad ,&{{ -1}})\quad % (c,d) g&({{ 2}}\quad ,&{{ 8}})\\\\ \end{array}\qquad % distance value d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}\\\\ -----------------------------\\\\ kg=\sqrt{[2-(-2)]^2+[8-(-1)]^2}[/tex]