Use your calculator to practice identifying coordinates. The program POINTS will place a point randomly on the calculator screen. You identify the point by entering its coordinates to the nearest one-half. Run the program POINTS until you can easily name points in all four quadrants. [ See Calculator Note 1G. ]

Math 121 Chapter 2 Notes Lesson 2.2 – Linear Inequalities in One Variable Example 1. 3x – 4 ≥9 + 5x (Add 4 and subtract 5x from both sides.) -2x ≥ 13 (Divide both sides by -2 and flip the sign.) x ≤ -6.5 Interval notation: (-∞, -6.5] (On a number...