3.4 Solving Multi-Step Inequalities Objective: SWBAT multi-step problems involving linear inequalities in one variable and provide justification for each step.
Mini Quiz 23
Practice Problems Solve and graph the inequalities: 1. x + 5 < -3 1 ≤ x or x ≥ 1 3. ⅔ x + 3 ≥ 11 x ≥ 12 4. 2x + 10 ≥ -2(x – 1) x ≥ -2 -8 12
Problems Solve. 5. -3x – 0.4 > 0.8 x < -0.4 6. 12 > -2x – 6
Problems 9. -2(x + 3) < 4x – 7 10. 4 – 2m ≤ 5 – m + 1 m ≥ -2 11. n ≤ - ½ 12. 3.8 – x ≤ 5.2 – 2x x ≤ 1.4 13. 4(a – 2) – 6a ≤ -9 x ≥ ½
Wrap Up Solve multi-step inequalities HW: P. 147 #13-33 EOO, 41-49 odd, 51-63 EOO Write DLUQ for notes.