Answer:
80
Step-by-step explanation:
The median of the group is 80
If you add all the five numbers up they equal 454 divide by 5 the answer would be 90.8
For this case we have the following quadratic equation:

Where:

By definition, the discriminant of a quadratic equation is given by:

We have to:
Two different real roots
Two different complex roots
Two equal real roots
Substituting the values we have:

So, we have two different complex roots
Answer:
Two different complex roots
Answer:
Step-by-step explanation: