quadratics

[ kwo-drat-iks ]

/ kwɒˈdræt ɪks /

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the branch of algebra that deals with quadratic equations.

QUIZZES

Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!

Question 1 of 7

Let’s start with some etymology: What are the origins of the typographical word “bracket”?

First recorded in 1675–85; see origin at quadratic, -ics

I even showed her that problem in quadratics and told her I couldnt do it.
Marjorie Dean, High School Junior|Pauline Lester
An advantage gained was that every quadratic equation, and not some quadratics only, could be spoken of as having two roots.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6|Various
The rapidity with which he would fill the blackboard, in solving difficult problems in quadratics, was almost bewildering.
In the School-Room|John S. Hart
Oh, Jane, your simple experiment proposition is abouit to become compound quadratics.
The Tinder-Box|Maria Thompson Daviess

This is a useful method in the case in which φ(x) and ƒ(x) are quadratics, but scarcely ever in any other case.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 8|Various