Lydia graphed AXYZ at the coordinates X (O.-4), Y (2, -3), and Z (2, -6). She thinks AXYZ is a right triangle. Is Lydia's assertion correct?
A. Yes; the slopes of XY and XZ are the same.
B. Yes; the slopes of XY and XZ are opposite reciprocals.
C. No; the slopes of XY and XZ are not the same.
D. No; the slopes of XY and XZ are not opposite reciprocals.