\"\"

\

The line passing through the points are \"\", \"\" and \"\".

\

\"\".

\

\"\"                    (Formula for slope)

\

\"\"                      (Substitute \"\", \"\" and \"\")

\

\"\"                      (Simplify)

\

\"\"                         (Cross multiply)

\

\"\"             (Add \"\" to each side)

\

\"\"                                        (Apply additive inverse property : \"\")

\

Therefore, the value of \"\" is \"\".

\

\"\"

\

The value of \"\" is \"\".