Question

Find the equation of the line that passes through (-1,2) and (5,-4).

Answer 1

\[
\frac { y+4}{x-5}= \frac {2+4}{-1-5}
\]

Answer 2

\[
\frac { y+4}{x-5}= \frac {2+4}{-1-5}=-1
\]

Answer 3

\[
y+4 = -(x-5)\\
y+4 = -x + 5\\
y= -x+1
\]