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Solving a Compound Linear Inequality and Identifying Prime Solutions

Solving a Compound Linear Inequality and Identifying Prime Solutions

Secondary 3
  1. Solve the inequality \(-2\le 2x+4<17\).
  2. Show your solution on a number line.
  3. Find the smallest prime number that satisfy the inequality \(-2\le 2x+4<17\).

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Answer:(i) \(-3\le x<\frac{13}{2}\). (ii) Filled at \(-3\), open at \(\frac{13}{2}\), shaded between. (iii) \(2\).

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