The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is
The correct answer is: C
Explanation
PQ = \(\frac{y_1 - y_0}{x_1 - x_0}\) = \(\frac{-3 - (-7)}{-2 - 5}\) = \(\frac{-3 + 7}{-2 - 5}\) = \(\frac{4}{-7}\)There is an explanation video available .