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Using the discriminant to determine the number of roots

If \(kx^{2}+5x-\frac{5}{4}=0\) has equal roots, then \(b^2-4ac=0\). \(a=k\), \(b=5\) and \(c= - \frac{5}{4}\). \(b^2-4ac=0\) \(5^2 -4\times k \times - \frac{5}{4}=0 ...
Investopedia

Multiple Discriminant Analysis (MDA) Definition, How It's Used

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Erika Rasure ...
JSTOR Daily

The Discriminant of a Quadratic Extension of an Algebraic Field

This is a preview. Log in through your library . Abstract Let $F$ be an algebraic field, and $K$ an extension of $F$ of degree 2. We describe a method for computing ...
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The Quadratic Formula & Discriminant in Algebra

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Nature

Discriminant function analysis as decision support system for the diagnosis of acute leukemia with a minimal four color screening panel and multiparameter flow cytometry ...

In recent years, flow cytometric immunophenotyping has evolved from indirect immunofluorescence techniques to a complex multiparametric diagnostic tool, which is indispensable for the diagnosis of ...
BBC

Using the discriminant to determine the number of roots - maths quiz

Looking for more on using the discriminant to determine the number of roots ? Check out our National 5 Maths guide. National 5 Maths using the discriminant to determine the number of roots ...