## College Algebra (6th Edition)

$3$; the line through the points rises
Simply apply the points to the slope formula and then simplify. Since the answer is positive, the line through the points rises. $(2,1)$ and $(3,4)$ $\frac{y_2-y_1}{x_2-x_1}$ $\frac{4-1}{3-2}$ $\frac{3}{1}$ $3$