Question

Find the slope of the line through the pair of points.

A(6, –8), B(6, –7)

Answer 1

\(\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
A&({\color{red}{ 6}}\quad ,&{\color{blue}{ -8}})\quad B&({\color{red}{ 6}}\quad ,&{\color{blue}{ -7}})
\end{array}
\\\quad \\

slope = {\color{green}{ m}}= \cfrac{rise}{run} \implies \cfrac{{\color{blue}{ y_2}}-{\color{blue}{ y_1}}}{{\color{red}{ x_2}}-{\color{red}{ x_1}}}
\)

Answer 2

@jdoe0001 i THINK i know what you're trying to explain but if i do understand wouldn't the answer be -12?

Answer 3

No actually the slope is undefined.

Can't have 0 in the denominator