Question

Find the equation of the line below. The coordinates are (-2,1) and (0,1)

Answer 1

http://www.basic-mathematics.com/slope-calculator.html

Answer 2

\(\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
&(-2\quad ,&1)\quad &(0\quad ,&1)
\end{array}
\\\quad \\

slope = m= \cfrac{rise}{run} \implies \cfrac{y_2-y_1}{x_2-x_1}
\\ \quad \\

y-y_1=m(x-x_1)\qquad \textit{plug in and solve for "y"}\)