A quadratic graph is produced when you have an equation of the form \(y = ax^2 + bx + c\), where \(b\) and \(c\) can be zero but \(a\) cannot be zero. All quadratic graphs have a line of symmetry.
Now that you know what \({\log _a}x\) means, you should know and be able to use the following results, known as the laws of logarithms.
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