Answer
$-1$; the line falls
Work Step by Step
Simply apply the points to the slope formula and then simplify. Since the answer is negative, the line falls.
$(6,-4)$ and $(4,-2)$
$\frac{y_2-y_1}{x_2-x_1}$
$\frac{-2+4}{4-6}$
$\frac{2}{-2}$
$-1$
