Find the slope of the line passing the two given points

(4, -8) and (5, -2)

Find the area of the quadrilateral whose vertices, taken in order, are (-4, -2), (-3, -5), (3, -2) and (2, 3)

Find the area of the triangle formed by the points (8, -5), (-2, -7) and (5, 1) by using Heron’s formula.

Find the slope of the line passing the two given points

(0, 0) and

Find the slope of the line passing the two given points

(2a, 3b) and (a, -b)