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Lesechka [4]
3 years ago
12

Which equation represents this line in point-slope form? (-3,4) and (3,-4)

Mathematics
2 answers:
Burka [1]3 years ago
8 0
\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ -3}}\quad ,&{{ 4}})\quad 
%   (c,d)
&({{ 3}}\quad ,&{{ -4}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{-4-4}{3-(-3)}\implies \cfrac{-4-4}{3+3}

\bf y-{{ y_1}}={{ m}}(x-{{ x_1}})\qquad 
\begin{array}{llll}
\textit{plug in the values for }
\begin{cases}
y_1=4\\
x_1=-3\\
m=\boxed{?}
\end{cases}\\
\end{array}\\
\left. \qquad   \right. \uparrow\\
\textit{point-slope form}
Feliz [49]3 years ago
4 0
So i'm guessing by what he says thats the last one
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We have

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