NumericalModerate3 marks
Solve the following inequation. Write down the solution set and represent it on the real number line. -5(x - 9) ≥ 17 - 9x > x + 2, x ∈ R.
Topic: Linear inequations
Previous-year question practice database
Answer
Solution diagram
Exam answer
Solution set: −7 ≤ x < 3/2, x ∈ R.
Explanation
Solve both parts of −5(x−9) ≥ 17−9x > x+2 and combine the intervals. Represent with a closed point at −7 and open point at 3/2.
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