Respostas

2014-07-21T22:52:05-03:00
Delta = b ² - 4.a.c
delta = 100 - 0
delta = 100
x1 = (- 100 + 10 )/- 4    x1 = 22,5

x2 = (- 100 - 10)/ - 4  x2 = 27,5