Question

Find the value of k if the slope of the line joining the points A(k,4) and B(-3,-2) is $\frac{1}{2}$.

Answer 1

Slope of AB = $\frac{1}{2}$

Therefore,

$\frac{4+2}{k+3}=\frac{1}{2}$

$k+3=12$

$k=9$