Mathematics for IGCSE & O level - Equations (Section 1 - No. 39)
What is the advantage of completing the square?
It avoids having to use the quadratic formula.
It transforms the equation into a form that is easily solvable.
It can be used only for specific numbers.
It gives you the y-intercept.
Explanation
Completing the square creates a perfect square which is easier to solve.
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