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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 ...
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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 ...
JSTOR Daily

Doing Discriminant Analysis: Some Problems and Solutions

This paper considers and offers some solutions to a series of problems that users of multiple discriminant analysis often confront, including (1) the calculation and interpretation of total structure ...