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juin [17]
3 years ago
12

A line passes through (–7, –5) and (–5, 4).Write an equation for the line in point-slope form.

Mathematics
2 answers:
Verdich [7]3 years ago
4 0
The equation for point slope would equal 2.
Anni [7]3 years ago
4 0
\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ -7}}\quad ,&{{ -5}})\quad 
%   (c,d)
&({{ -5}}\quad ,&{{ 4}})
\end{array}
\\\quad \\\\
% slope  = m
slope = {{ \boxed{m}}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}
\\ \quad \\\\
% point-slope intercept
y-{{ y_1}}={{\boxed{ m}}}(x-{{ x_1}})\qquad \textit{plug in the values and solve for "y"}\\
\qquad \uparrow\\
\textit{point-slope form}

now, the standard form, simply means, move everything to the left-hand-side, and make it = 0, so, only 0 on the right-hand-side

now. integers only, well, let's see what you get first, then you can get rid of any rationals
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