A student found the slope of a line that passes through the points (1, 14) and (3, 4) to be 5. What mistake did she make?

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asked Jul 26, 2018 50.0k views

4 votes

A student found the slope of a line that passes through the points (1, 14) and (3, 4) to be 5. What mistake did she make?

Mathematics
high-school

Lavette asked

by Lavette

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1 Answer

5 votes

well, why don't you tell us what the slope is then?

$\bf \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ 1}}\quad ,&{{ 14}})\quad % (c,d) &({{ 3}}\quad ,&{{ 4}}) \end{array} \\\quad \\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{4-14}{3-1}$

XrXr answered Jul 31, 2018

by XrXr

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