Graphs, MET2 2011 VCAA 2 MC The gradient of a line perpendicular to the line which passes through `text{(−2, 0)}` and `text{(0, −4)}` is `1/2` `−2` `−1/2` `4` `2` Show Answers Only `=> A` Show Worked Solution `m` `= (−4 – 0)/(0 – (−2))` `= −2` `:. m_⊥` `= 1/2` `=> A`