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natima [27]
2 years ago
5

A line passes through the ordered pairs (4,1) and (2,8). What is the slope? Please help due today

Mathematics
1 answer:
AleksandrR [38]2 years ago
4 0
\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&&(~ 4 &,& 1~) 
%  (c,d)
&&(~ 2 &,& 8~)
\end{array}
\\\\\\
% slope  = m
slope =  m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{8-1}{2-4}\implies \cfrac{7}{-2}\implies -\cfrac{7}{2}
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