October 2023 0 53 Report
Pfv me ajudem ;’p

8. Substitua os coeficientes “a, b, c” na fórmula:

x = -b± √b² - 4ac
———————
2a

para cada uma das letras da atividade 7.

7a) a=1 b=0 c=-4

x= -b ± √b²-4ac
———————
2a

x= -___ ± √___ ² -4 • ___ • ___
———————————————
2 • ___

x= ___ ± √___ ___
——————————
____

x= ___ ± √_____
————————
____

——————————————————

x₁ = ____ ± √=____
—————————
_____
ou

x₂ = ____ - √=____
—————————
_____

——————————————————-

x₁ = ______

ou

x₂ = ______
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