Respostas

2014-01-13T11:00:20-02:00
y= x²-10x+16

x²-10x+16=0
a= 1 b=-10 c= 16
Δ= (-10)² - 4·1·16
Δ= 100 -64
Δ=36

x= 10 +/-6/ 2
x'= 8
x''=2
S:[2,8]
1 5 1