Question

Aplique a fórmula de Bhaskara
a)3x²+5x+2=0
B) 3x²+x-4=0​

Answer 1

Resposta:

Formulas: Δ = b² - 4.a.c

x= -b ± √Δ / 2a

A=3 B=-5 C=2

Δ = b² - 4.a.c

Δ = (-5)² - 4.3.2

Δ = 25 - 24

Δ = 1

x= -b ± √Δ / 2a

x= -(-5) ± √1 / 2.3

x= =5± 1 / 6

x' = 5+1/6

x' = 6/6

x' = 1

x'' = 5 - 1/6

x'' = 4/6 (simplifica)

x'' = 2/3

A reposta será x' = 1 e x'' = 2/3