Exercitii recapitulative

Exercitii recapitulative

8th Grade

11 Qs

quiz-placeholder

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Exercitii recapitulative

Exercitii recapitulative

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

MADALINA DECU

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie funcția f:R→R, f(x)=2x-1. Punctul de intersecție cu axa Ox este:

A(0,1)

A(0,-12)

A(0,-1)

A(1/2,0)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie funcția f:R→R, f(x)=4-x. Punctul de pe reprezentarea grafică a funcției f cu ordonata egală cu 7 are coordonatele:

A(7,-3)

A(3,7)

A(-3,7)

A(-7,-3)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie funcția f:R→R, f(x)=2x-1. Soluția ecuației 3f(x)=15 este:

13/2

3

2

8/3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă punctul C(2,3) se află pe reprezentarea grafică a funcției f:R→R, f(x)=2x-a, atunci valoarea reală a numărului a este egală cu:

1

-1

7

-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6/13

2/19

6/5

2/11

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x∈R-{1,2}

x∈R-{1}

x∈R-{2}

x∈{1,2}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

S={±5/6}

S={±1/12}

S={±5/12}

S={±5/3}

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