Question

Qual valor de delta 2x2-3x-5=0

Answer 1

2x² - 3x - 5 = 0


∆ = b² - 4.a.c

a = 2
b = -3
c = -5


∆ = (-3)² - 4.2.(-5)
∆ = 9 + 40
∆ = 49