Solving quadratic inequalities graphically was the main objective of this lesson on equations and inequalities. The graphical method was used to solve quadratic inequalities and the answer was represented on a number line. The answer was also written in the interval notation. The interval notation was explained as well as the representation of the answer on a number line.
This maths lesson on quadratic inequalities answered questions such as how to solve quadratic inequalities graphically, how to write inequalities using the interval notation and how to solve inequalities on a number line.
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