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1. **What does a discriminant of 5, 0 and -10 tell us about a quadratic equation?

User Nyov
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discriminant of quadratic equation is given as,


\begin{gathered} D=\sqrt[]{b^2-4ac} \\ \text{ if D}>0,\text{ roots are real and distinct} \\ \text{ if D}=0,\text{ roots are real and equal.} \\ \text{ if D}<0,\text{ roots are imaginary.} \end{gathered}

So,


\begin{gathered} \text{ if D=5, roots are real and distinct} \\ \text{ if D=0 roots are real and equal} \\ \text{ if D=-10, roots are imaginary} \end{gathered}

User Prince Ashitaka
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