Functia de gradul I

Functia de gradul I

9th Grade

11 Qs

quiz-placeholder

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Functia de gradul I

Functia de gradul I

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Adelina Morcov

Used 38+ times

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11 questions

Show all answers

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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