Answer:
5200
Step-by-step explanation:
STEP 1: The discriminant of a quadratic is the expression inside the radical of the quadratic formula.
[tex]b^2-4(ac)[/tex]
STEP 2: Substitute in the values of a, b, and c.
[tex](-10)^2-4(5)(-255)[/tex]
STEP 3: Evaluate the result to find the discriminant.
[tex]5200[/tex]
