The endpoints of a diameter of a circle are A(3,2) and B(9,10). Find the area of the circle in terms of pi.

The answer is part a: use

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for