y = 2x² - 8x + 1
a = 2, b = - 8, c = 1
Xv = - b/2a
Xv = - (- 8)/(2 . 2)
Xv = - (- 8)/4
Xv = 8/4
Xv = 2
∆ = b² - 4ac
∆ = (- 8)² - 4 . 2 . 1
∆ = 64 - 8
∆ = 56
Yv = - ∆/4a
Yv = - 56/(4 . 2)
Yv = - 56/8
Yv = - 7
V(2 , - 7)
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
y = 2x² - 8x + 1
a = 2, b = - 8, c = 1
Xv = - b/2a
Xv = - (- 8)/(2 . 2)
Xv = - (- 8)/4
Xv = 8/4
Xv = 2
∆ = b² - 4ac
∆ = (- 8)² - 4 . 2 . 1
∆ = 64 - 8
∆ = 56
Yv = - ∆/4a
Yv = - 56/(4 . 2)
Yv = - 56/8
Yv = - 7
V(2 , - 7)