Wyrażenia algebraiczne

Wyrażenia algebraiczne

1st - 3rd Grade

15 Qs

quiz-placeholder

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Wyrażenia algebraiczne

Wyrażenia algebraiczne

Assessment

Quiz

Mathematics

1st - 3rd Grade

Practice Problem

Hard

Created by

Monika Grela

Used 55+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jednomianem podobnym do jednomianu 5xy nie jest:

5yx

5x3y5x\cdot3y

-5xy

5x2y25x^2y^2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wartość wyrażenia: x2+x -x^2+x\  

  dla x= - 2  wynosi:

-6

2

-2

6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Po zapisaniu wyrażenia -3(5a + 4b) bez użycia nawiasu otrzymamy:

-15a+4b

-15a-12b

-15a+12b

-8a+4b

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wartość wyrażenia 2a2 - 3a dla a=-1 wynosi:

1

-1

5

-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Po redukcji wyrazów podobnych w wyrażeniu

2x2 + 8y + 3x2 - 8y + 1

otrzymamy:

5x2+1

5x2+16y+1

6x2+1

5x2-16y+1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Po uproszczeniu wyrażenia

(3x - 4) - (2 + x)

otrzymamy:

4x - 2

4x - 6

2x - 2

2x - 6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 3x2x=3x\cdot2x=  

 6x6x  

 6x26x^2  

 5x5x  

 5+2x5+2x  

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