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单词 quadratic equation
释义
quadratic equation
noun[C]
uk
/kwɒdˌræt.ɪk ɪˈkweɪ.ʒən/us
/kwɑːdˌræt̬.ɪk ɪˈkweɪ.ʒən/
anequationthatincludesanunknownvaluethat ismultipliedby itself onlyonce, and does notincludeanunknownvaluemultipliedby itself more thanonce:
二次方程式
In thequadraticequation, 2y2+3y=14, y=2 or y=-3½.在二次方程式2y2+3y=14中，y=2或y=-3½。
SMART Vocabulary: related words and phrases
Calculations & calculating
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(Definition ofquadratic equationfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

quadratic equation| American Dictionary

quadratic equation
noun[C]
us/kwɑˈdræt̬·ɪk ɪˈkweɪ·ʒən/
algebra
an equation(=mathematicalstatement)thatincludesanunknownvaluemultipliedby itself onlyonce, and does notincludeanunknownvaluemultipliedby itself more thanonce; an equation that can beexpressedasax²+bx+c=0, whenadoes notequalzero
(Definition ofquadratic equationfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofquadratic equation

quadratic equation
The joint motion is curve fitted into aquadraticequationby using three data points: the current value and two previous values.
From theCambridge English Corpus
By solving thequadraticequationof the models, the turning points of the deforestation/income relationship can be found.
From theCambridge English Corpus
But even the solution of aquadraticequationis not necessary.
From theCambridge English Corpus
There are three basic shapes of aquadraticequation: linear, concave, and convex.
From theCambridge English Corpus
Using thequadraticequation, a prediction is made as to how much time would elapse before a limit is reached.
From theCambridge English Corpus
Then (6.20) becomes aquadraticequationfor (r).
From theCambridge English Corpus
Thequadraticequation, however, can be efficiently solved on a computer.
From theCambridge English Corpus
Alternatively, example (34) is best understood in the context of the solution of thequadraticequationbelow.
From theCambridge English Corpus
However, where the cubic term is not statistically significant (at 90 per cent confidence level) aquadraticequationis estimated.
From theCambridge English Corpus
This can be substituted into thequadraticequationdefining the group.
From theCambridge English Corpus
Thequadraticequationcan teach us to be humble.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Aquadraticequationis not like a bleak room, devoid of furniture, in which one is asked to squat.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
One way of looking at thequadraticequationmight be to say that it is the pons asinorum of modern science.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
He cited thequadraticequationas an example of the sort of irrelevant topic that pupils study.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
One finishes up with aquadraticequationto which there is no solution.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/quadratic-equation##
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更新时间：2025/2/10 21:11:51