Find the slope of `bar(AB)` , where
A(2, 1), B(2, 6)

Find the slope of bar(AB) , where A(-2, 8), B(-2, -2)

Find the slope of bar(AB) , where A(-4, 2), B(-4, -2)

Find the area of A ABC where A(-3/2, 3), B{6, -2), and C(-3,4 ).

Find the slope of the line joining (2,3) & (4,6)

Derive an expression for the co-ordinates of points that divides the linejoining points A(x_1,y_1,z_1) andB(x_2,y_2,z_2) internally in the ratio m:n.Hence find the co-ordinates of midpoint of AB where A=(3,2,1) and B=(7,6,5).

Find the slope of the line 2x+3y+1=0

Find the slope of the line (x)/(3) + (y)/(2) = 1

Find the slope of the line x/3+y/2=1

Find the slope of the normal to the curve x = 1 - a sin theta, y = b cos^(2) theta at theta = (pi)/2 .

The area of the quadrilateral ABCD, where A (0, 4, 1), B (2, 3, - 1), C(4, 5, 6) and D (2, 6, 2) is equal to :