Respuesta :
Recall that the discriminant is b² - 4ac
So, substitute, b = 4, a = -1 and c = -2
Δ = 16 - 4(-1)(-2) = 16 - 8 = 8
So, substitute, b = 4, a = -1 and c = -2
Δ = 16 - 4(-1)(-2) = 16 - 8 = 8
Answer:
the answer on edge is 8
Step-by-step explanation:
