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Equações do Segundo Grau

Authored by FERNANDA WASSMUTH

Mathematics

9th Grade

Used 16+ times

Equações do Segundo Grau
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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Dada a equação do segundo grau 2x2−4x+1=02x^2 - 4x + 1 = 0 , identifique o coeficiente aa .

22

−4-4

11

00

2.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Dada a equação do segundo grau 3x2+5x−2=03x^2 + 5x - 2 = 0 , identifique o coeficiente bb .

33

55

−2-2

00

3.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Dada a equação do segundo grau x2−6x+9=0x^2 - 6x + 9 = 0 , identifique o coeficiente cc .

11

−6-6

99

00

4.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Utilize a fórmula de Bhaskara para encontrar as raízes da equação x2−4x+4=0x^2 - 4x + 4 = 0 .

x=2x = 2

x=−2x = -2

x=4x = 4

x=0x = 0

5.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Utilize a fórmula de Bhaskara para encontrar as raízes da equação x2+2x−3=0x^2 + 2x - 3 = 0 .

x=1x = 1 e x=−3x = -3

x=−1x = -1 e x=3x = 3

x=−3x = -3 e x=−1x=-1

6.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Dada a equação do segundo grau 4x2−12x+9=04x^2 - 12x + 9 = 0 , identifique o coeficiente aa .

44

−12-12

99

00

7.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Dada a equação do segundo grau 2x2−8x+6=02x^2 - 8x + 6 = 0 , identifique o coeficiente cc .

22

−8-8

66

00

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