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Mathematics Grade 9 Unit 4: SOLVING INEQUALITIES
national exam questions have come from this unit. It runs 34 pages; one careful study pass takes about 2.1 hours, and its difficulty is moderate among Mathematics units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.
4.1 Revision on Linear Inequalities in One Variable · read p. 152
- 2018 E.C., Q35 – What is the solution set of the quadratic inequality $3x^2 - 3x - 6 < 0$?
4.2 Systems of Linear Inequalities in Two Variables · read p. 157
- 2014 E.C., Q10 – Which one of the following statements is NOT true about the graph of the given linear inequality?
4.3 Inequalities Involving Absolute Value _ _ · read p. 166
- 2016 E.C., Q4 – Which one of the following intervals is the solution set of the inequality ?
4.4 Quadratic Inequalities · read p. 171
- 2015 E.C., Q21 – Which one of the following is true about addition of complex numbers?
4.5 Applications of Inequalities · read p. 176
Not asked in a national paper yet.