Answer:
Discriminant of the given function = 400
Step-by-step explanation:
Given function:

To find the discriminant.
Solution:
For a quadratic function:

The discriminant
is given by:

finding the discriminant for the given function:


Plugging in values:
[Product of two negative will make a positive]
[Product of two negative will make a positive]
∴
(Answer)
Discriminant of the given function = 400