Clasa a 9a Algebra

Clasa a 9a Algebra

9th Grade

10 Qs

quiz-placeholder

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Clasa a 9a Algebra

Clasa a 9a Algebra

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

DANUT BIANCA-IULIANA

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Care este rația unei progresii aritmetice?

r=an-an-1

r=an+an-1

r=an+an+1

r=an-1+r

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Formula termenului general este......

an=a1+(n-1)*r

an=a1-(n+1) : r

n=a+1

an=0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daca suma primelor n termeni ai unei progresii aritmetice

S=a1+a2+.....+an=(a1+an)-1 : 2 atunci

an= primul termen

n=ultimul termen

an=nr de termeni

n= nr de termeni

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Ce este q intr o progresie aritmetica?

ratia

termenul general

domeniul

un numar necunoscut

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Fie reperul cartezian xOy

Ox= axa ordonatelor

Oy= axa absciselor

Oy=axa ordonatelor

Nu au denumire

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Care sunt modurile de definire a functiilor?

Evaluate responses using AI:

OFF

7.

DRAW QUESTION

10 mins • 1 pt

Reprezentati grafic functia f:(1,infinit) -> R ,f(x)=x-1

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