Ecuații de gr. II- ind.

Ecuații de gr. II- ind.

8th Grade

8 Qs

quiz-placeholder

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Ecuații de gr. II- ind.

Ecuații de gr. II- ind.

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Tamara Popovici

Used 15+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Dacă a=-2, b=-1, c=5. Atunci ecuaţia de gradul doi este:

-2x2+x+5=0

2x2 - x+5=0

-2x2 - x+5=0

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Fie -6x + 3x2 +1 =0, coeficientul b =

3

6

-6

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Fie -5x2 - 10 = 0, coeficientul c =

-10

0

10

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ecuaţia -2x2 +x -5 =0 are

o soluţie dublă

două soluţii distincte

nu are soluţii

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Fie x2+8x-3=0, aplicând relaţiile lui Viete determinaţi suma soluţiilor:

8

-8

-3

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Fie 3x2-9x+12=0, aplicând relaţiile lui Viete determină produsul soluţiilor

4

3

12

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fie x1=4 şi x2= -1. Ecuaţia de gradul II cu aceste soluţii este:

x2 -3x -4=0

x2 +3x -4=0

x2 +3x +4=0

8.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Soluţiile ecuaţiei x2 - 16 = 0 :

4; -4

4

-4