The following assignments are about solving quadratic equations. One method to solve this type of equation is the use of the -method. This may not always be possible and then other methods such as factorization (Quadratic equations (factorizing)) are possible.
8. For which value(s) of does the equation:
have two different solutions .
9. For which value(s) of does the equation:
have two coinciding solutions .
10. For which value(s) of does the equation::
have no solutions .