Previously, you have learnt how to solve quadratic inequalities where the portion of the curve is below the x-axis. In this post, you will be learning how to solve quadratic inequalities where the portion of the curve is above the x-axis. Not to worry, the solving style is the same, so there is not much new things to learn here.
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Now that you have learnt how to solve quadratic inequalities, let’s move on to discriminant, which is a new concept in Secondary 3 Additional Mathematics.
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