Write the slope intercept form of the equation of the line through the given points. Explanation, please! Thank you!

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asked Jul 6, 2018 129k views

4 votes

Write the slope intercept form of the equation of the line through the given points.

Explanation, please! Thank you!

Write the slope intercept form of the equation of the line through the given points-example-1

Mathematics
college

Zov asked

by Zov

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1 Answer

4 votes

$\bf \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ 1}}\quad ,&{{ -2}})\quad % (c,d) &({{ 1}}\quad ,&{{ 3}}) \end{array} \\\\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{3-(-2)}{1-1}\implies \stackrel{und efined}{\cfrac{3+2}{0}}$

hmmm, the slope is undefined, that means, is a vertical line then, check the picture below.