
Functia de gradul I
Authored by Adelina Morcov
Mathematics
9th Grade
Used 42+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Funcţia f:R→R, f(x)=ax + b, a,b∈R ,a≠0 se numeşte funcţia de gradul I.
Adevarat
Fals
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pentru funcţia de gradul I, ax se numeşte termenul de gradul II, iar b termenul liber al funcţiei.
Adevarat
Fals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ecuaţia: ax + b = 0, a≠0, se numeşte ecuaţia de gradul întâi, cu o necunoscută, ataşată funcţiei f.
Adevarat
Fals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre variantele de mai jos este o functie de gradul I:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fie funcţiile f:R→R, f(x)=x + 3 şi g:R→R, g(x)=2x -1. Soluţia reală a ecuaţiei 2f(x)+ 3g(x)= -5 este:
-1
-2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fie funcţia f:R→R, f(x)=4 - 4x. Soluţiile reale ale inecuaţiei f(x)-1>4x sunt:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cea mai mică valoare a funcţiei f:[-2,1]→R, f(x)=-3x+1 este:
val. min= -5
val. min= -3
val. min= -2
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