In Exercises 1-8, tell whether the ordered pair is a solution of the inequality. (See Example 1.) 1. x + y < 7; (2, 3) 2.) x - y ≤ 0; (5,4) 4. 8x + y> -6; (-1,2) 5. -6x + 4y ≤ 6; (-3,-3) 3. x+3y2 -2; (-9, 1) 6. 3x - 5y 2 0.5; (-1.5, -1)

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