What is the slope of the line passing through the points (2, 3) and (4, 7)?
Answer: B
The slope (m) of a line passing through \((x_1, y_1)\) and \((x_2, y_2)\) is given by the formula \(m = \frac{y_2-y_1}{x_2-x_1}\).
m = \(\frac{7-3}{4-2} = \frac{4}{2} = 2\).