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quadratic surd
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English
edit
Noun
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quadratic
surd
(
plural
quadratic surds
)
(
mathematics
)
An
irrational number
that is the solution of a
quadratic
equation of the form
a
x
2
+
b
x
+
c
=
0
{\displaystyle ax^{2}+bx+c=0}
, where
a
{\displaystyle a}
,
b
{\displaystyle b}
, and
c
{\displaystyle c}
are integers and
a
{\displaystyle a}
≠
0
{\displaystyle 0}
.
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en:Mathematics
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