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Functii - clasa a VIII-a

Authored by Paraschiv Lili

Mathematics

8th Grade

Used 7+ times

Functii - clasa a VIII-a
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9 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Daca f(x)=2x+5, atunci f(-3)=

-1

1

2

-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daca M(2, -5) este un punct in plan, atunci abscisa lui M este:

2

-5

-3

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daca M(2, -5) este un punct in plan, atunci ordonata lui M este:

2

-5

-3

3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

o dreapta

un segment

o mulțime de puncte

o semidreapta

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Daca f(x)=4x-2, atunci O(0,0) apartine graficului functiei date?

adevarat

fals

nu stiu

6.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Valoarea sumei S = f(1)+f(2)+f(3)+...+f(20), dacă f(x)=x+4 este

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aria triunghiului determinat de graficul funcției f(x)=2-x și sistemul de axe xOy este

2

-2

4

-4

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