Mathematics for IGCSE & O level - Algebraic Manipulation (Section 5 - No. 27)
Which statement is true about completing the square?
It can only be used to factorize quadratic expressions.
It involves arranging the x-terms as a square.
It can't find maximum or minimum values.
It's only used in solving equations.
Explanation
Completing the square helps to re-write quadratic expressions to a perfect square, allowing us to find the minimum and maximum values.
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