Quadratic equation is not new to you, since you would have learnt them during your lower secondary mathematics. In this post, we will recap a few important things, such as how the values of the coefficient of a will affect how the graph looks like. This is important as it serves as a fundamental understanding of quadratic equation. As you proceed further in this chapter, you would realize that this is heavily tested in exams when you learn new concepts like roots and discriminants.
Now that you understand better on the characteristics of a quadratic equation, let’s move on to recap on inequalities.
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