Discriminant

Meaning

Noun

●

In Algebra:

An

expression

that

gives

information

about

the

roots

of

a

polynomial;

for

example,

the

expression

D

=

b²

-

4ac

determines

whether

the

roots

of

the

quadratic

equation

ax²

+

bx

+

c

=

0

are

real

and

distinct

(D

>

0),

real

and

equal

(D

=

0)

or

complex

(D

<

0).

●

In Geometry:

The

(on the

of

of

egree

in

) that

when the

in Pⁿ⁻¹ is singular.

Adj

●

Serving to discriminate.

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