Eén van de oplossingen van
de vierkantsvergelijking
ax2 + bx + c = 0
(waarbij de discriminat D > 0 )
is 		A.  \(\boldsymbol{-\,\frac {\sqrt D\,+\, b} {2a} }\)
B.  \(\boldsymbol{\frac {-b\,+\,\sqrt D} {a} }\)
C.  \(\boldsymbol{\frac {-\sqrt D\,+\,2b} {2a} }\)
D.  \(\boldsymbol{\frac {b\,-\,\sqrt D} {2a} }\)
E.  \(\boldsymbol{\frac {-2b\,-\,\sqrt D} {2a} }\)
                 

[ 3-4295 - op net sinds 25.10.14-(E)-30.10.2023 ]

Translation in   E N G L I S H

One of the solutions
of the equation
ax² + bx + c = 0   is
(discriminant D > 0 ) 		A.   \(\boldsymbol{-\,\frac {\sqrt D\,+\, b} {2a} }\)
B.   \(\boldsymbol{\frac {-b\,+\,\sqrt D} {a} }\)
C.   \(\boldsymbol{\frac {-\sqrt D\,+\,2b} {2a} }\)
D.   \(\boldsymbol{\frac {b\,-\,\sqrt D} {2a} }\)
E.   \(\boldsymbol{\frac {-2b\,-\,\sqrt D} {2a} }\)

Oplossing - Solution

Parate kennis.