PLEASE ANSWER RIGHT AND ASAP
△ABC has vertices at A(1, -1), B(3, 2), and C(0, 4).
The slope of AB choose -5,or3/2,or -2/3 is the slope of BC is choose -5,or3/2,or -2/3 , and the slope of AC, is choose -5,or3/2,or -2/3, △ABC choose is, or is not, a right triangle, because the slope of choose AB & BC, OR the slope of BC and AC, or the slope of AB & AC, or None of the slopes of its sides.
