ExampleFind the distance between (4,-5) and (9,-2).
The Midpoint Formula
Find the midpoint of the segmentwhose endpoint are (-1,5) and (6,8).16 58,225 13,22 y(-1,5)(6,8)
ExampleFind the midpoint of the segment whose endpoints are (-1,7) and (-5,9).
22222To Graph a Circle;First Solve the equation for y: x4y4-xy = 4Graph as tyx2212wo separate equations y = 4y = 4So that the circle doesn't look flattened, press ZOOM, #5 for ZSquare.Now press GRAPH.xxGraphing Calculator