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Ecuații de gr 2

Authored by Manole Vera

Mathematics

1st - 10th Grade

CCSS covered

Used 140+ times

Ecuații de gr 2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Aflați x

x=2

x=-2,x=2

x=4

x=-4,x=4

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Identificați coeficienții a și b din ecuația de gr.2

a=8, b=1

a=8, b=-1

a=-1, b=8

a=1, b=8

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Folosind relația lui Viete calculați x1 + x2

7/3

-7/3

3/7

-3/7

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Calculați a+b+c

-25

25

24

-24

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Folosind teorema lui Viete calculați X1*X2

-2

2

-1

1

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă p= 5 și q =-3 alcătuiți ecuația de gradul 2.

x2 + 5x -3= 0

2x2 +5x + 3 = 0

x2 -5x +3 = 0

x2 -5x -3 = 0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie ecuaţia x^2−2x+3=0 aflați x1 + x2

2

-2

1

-1

Tags

CCSS.HSA-REI.B.4B

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