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padilas [110]
3 years ago
5

What is the approximate distance between the points (-3, -4) and (-8, 1) on a coordinate grid

Mathematics
2 answers:
Olegator [25]3 years ago
8 0
In this question is given to points, with coordinates (-3,-4) and (-8,1). It is asked to find the distance between both points. The only way to find the solution is by using the Distance Formula, which is represented by 
d= \sqrt{( x_{2}- x_{1})^{2}+( y_{2}- y_{1})^{2}}.

d= \sqrt{( x_{2}- x_{1})^{2}+( y_{2}- y_{1})^{2}}

d= \sqrt{(-3--8)^{2}+(-4-1)^{2}}
d= \sqrt{(5)^{2}+(-5)^{2}
d= \sqrt{(25)+(25)

d= \sqrt{50}
d=7.07 units or 5 \sqrt{2}units

The distance between the coordinates (-3,-4) and (-8,1) is 7.07 units or 5 \sqrt{2}units.

tatyana61 [14]3 years ago
4 0
\bf ~~~~~~~~~~~~\textit{distance between 2 points}
\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&&(~ -3 &,& -4~) 
%  (c,d)
&&(~ -8 &,& 1~)
\end{array}\\\\\\ %  distance value
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
d=\sqrt{[-8-(-3)]^2+[1-(-4)]^2}\implies d=\sqrt{(-8+3)^2+(1+4)^2}
\\\\\\
d=\sqrt{25+25}\implies d=\sqrt{2\cdot 25}\implies d=\sqrt{2\cdot 5^2}\implies d=5\sqrt{2}
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