7. x = 4 8. The y-axis For Exercises 9–11, ABCD has vertices 1), 3), 3), and 1). A(1, B(1, C(4, D(4, O)(ABCD). 9. r(90º, To start, graph ABCD.
7. x = 4 8. The y-axis For Exercises 9–11, ABCD has vertices A(1, 1), B(1, 3), C(4, 3), and D(4, 1). 9. r(90º, O)(ABCD). To start, graph ABCD.