Ekuacioni kuadratik
- Makina llogaritëse gjen zgjidhjen e një ekuacioni kuadratik.
Makina llogaritëse
Formulat
$$ \boxed{ax^2 + bx + c = 0} $$ |
$$ \underline{\underline{\bullet \ a \neq 0}} $$ |
$$ \boxed{D = b^2 - 4\cdot a c} $$ |
$$ \underline{\circ \ D \gt 0} $$ |
$$ x_1 = \frac{-b + \sqrt{D}}{2\cdot a} $$ |
$$ x_2 = \frac{-b - \sqrt{D}}{2\cdot a} $$ |
$$ \underline{\circ \ D = 0} $$ |
$$ x_1 = x_2 = \frac{-b}{2\cdot a} $$ |
$$ \underline{\circ \ D \lt 0} $$ |
$$ x = \left\{\right\} $$ |
$$ \underline{\underline{\bullet \ a = 0}} $$ |
○ ekuacioni linear |