What is the fastest method to solve a quadratic inequality?

How many methods are there to solve a quadratic inequality in the form f(x) = ax^2 + bx + c > 0 (or < 0). There are 3 common methods: 1. The test point method using the number-line 2. The algebraic method 3. The graphing method. What is the fastest method when doing tests/exams?

22 Views|Posted 2011-10-13 10:31:39

Asked by Ng1350

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Bhupesh | Contributor-Level 9

2011-10-13 10:51:48

The questions from Quadratic Inequality in objective form usually requires little hit and Trial . So you should first look for such cases in those Questions .