Jefferson is plotting the vertices of an isosceles right triangle on a coordinate graph. He has plotted the two points shown. Where should he plot the third point? (3,1) 10 8 (-2,0) 6 4. 2 (-2,-9) - 10 -8 - 6 4 -2 0 2 4 6 8 10* (4,2) •-4- -8 10​