Question

1 x ao quadrado -7 x + 6 cacule o vertice

Answer 1

x^2-7x+6= 0
7^2-4.1.6
49-24= 25

-(-7)+-v25 / 2

x'
(7+5)/2
12/2
6

x''
(7-5)/2
2/2
1

S= {1,6}