Question

The lines shown below are perpendicular. If the green line has a slope of

Answer 1

SOLUTION:

For perpendicular lines, the product of slopes;

$m_1m_2=-1$

So, we have;

$\begin{gathered} \frac{1}{7}\times m_2=-1 \\ m_2=-1\div\frac{1}{7}=-7 \end{gathered}$

Thus, the answer is;

$-7$