Question

What is the discrimination of the equation 0=x2+4x-2

Answer 1

`\bf \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ 0=\stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+4}x\stackrel{\stackrel{c}{\downarrow }}{-2} ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}\implies 4^2-4(1)(-2)\implies 24`