# Completing the Square

Digital Poster

A. Hagans

### A rectangular swimming pool is 6ft deep. One side of the pool is 2.5 times longer than the other. The amount of water needed to fill the swimming pool is 1500 cubic feet. Find the dimensions of the pool .

ESSENTIAL UNDERSTANDING: Completing a perfect square trinomial allows you to factor the completed trinomial as the square of a binomial.

You can solve an equation that contains a perfect square by finding square roots. The simplest of this type of equation has the form ax^2 = c

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