👤
Answered

52 Associer à chaque expression de f(x) la forme
canonique correspondante. En déduire les valeurs des
nombres réels a, a et ß.
Expressions de f(x)
1. f(x) = 2x2 - 4x - 1
2. f(x) = 2x2 - 4x + 4
3. f(x) = 2x2 + 12x + 17
Formes canoniques
a. 2(x-a)²-3
b. a(x + 3)² - 1
c. 2(x-1)² + B

Sagot :

VINS

f (x) = 2 x² - 4 x - 1

α = 4/4 = 1

β = 2 - 4 - 1 = - 3

2 ( x - 1 )² - 3

f (x) = 2 x² - 4 x + 4

α = 4 / 4 = 1

β = 2 - 4 + 4 =  2

2 ( x - 1 )² + 2

f (x) = 2 x² + 12 x + 17

α = - 12 /4 = - 3

β = 18 - 36 + 17 = - 1

2 ( x + 3 ) ² - 1

Other Questions

© 2024 IDNLearn. All rights reserved.