completing the square

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noun Mathematics.

a method, usually of solving quadratic equations, by which a quadratic expression, as x2 − 4x + 3, is written as the sum or difference of a perfect square and a constant, x2 − 4x + 4 + 3 − 4 = (x − 2)2 − 1, by addition and subtraction of appropriate constant terms.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Words nearby completing the square

completely regular space, complete metamorphosis, complete quadrilateral, completer set, complete transduction, completing the square, completion, completionist, completist, complex, complex absence

How to use completing the square in a sentence

France 24 is providing live, round-the-clock coverage of both scenes as they progress.
LIVE Coverage of the Paris Terror Attacks||January 9, 2015|DAILY BEAST
Sands was involved in a scandalous-for-the-time romance with the carpenter and there were rumors she was pregnant with his child.
New York’s Most Tragic Ghost Loves Minimalist Swedish Fashion|Nina Strochlic|January 8, 2015|DAILY BEAST
Three on-the-record stories from a family: a mother and her daughters who came from Phoenix.
I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
Some longtime local acquaintances are struggling to square the man they know with the ugly associations.
No. 3 Republican Admits Talking to White Supremacist Conference|Tim Mak|December 30, 2014|DAILY BEAST

The Dallas Cowboys sell out their state-of-the art football stadium.
Will Texas Stay Texan?|David Fontana|December 29, 2014|DAILY BEAST
Sleek finds it far harder work than fortune-making; but he pursues his Will-o'-the-Wisp with untiring energy.
The Pit Town Coronet, Volume I (of 3)|Charles James Wills
Nowhere can be found a region capable of supporting a larger population to the square mile than Lombardy.
Glances at Europe|Horace Greeley
For years his lordship was seldom seen in London, the great house in Grosvenor Square was never opened.
The Pit Town Coronet, Volume I (of 3)|Charles James Wills
She opened the door of a square room with large roses on the white wall-paper, and fine old mahogany furniture.
Ancestors|Gertrude Atherton
I would not just then have traded off that steamboat for several square miles of snow-capped sublimity.
Glances at Europe|Horace Greeley