The discriminant of a quadratic equation is:

Plug in the values.


Since the discriminant is negative, you can tell that the quadratic has no real solutions.
Hope that helped!
~Cam943, Moderator
Answer:
6% change
Step-by-step explanation:
First find the difference between students at the end and the beginning of the year.
1200-1128=72
to find the percent, you need to divide the difference by the initial value.
72/1200=0.06
move the decimal
6%
Answer:
Al igual que los cuadrados y los triángulos equiláteros, los hexágonos regulares encajan sin ningún espacio para enlosar el plano (tres hexágonos se encuentran en cada vértice), por lo que son útiles para construir mosaicos.
The answer is c I hope this helps