Porząkowanie jednomianu

Porząkowanie jednomianu

7th Grade

15 Qs

quiz-placeholder

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Porząkowanie jednomianu

Porząkowanie jednomianu

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Dorota Grobelna

Used 112+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Uporządkuj jednomian.

-1ac·(-5)a·2 =

-5a2c

-10ac

10a2c

5a2c

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Które wyrażenie to jednomian?
3ab
3a+b
4+ab
a-b

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Po zapisaniu wyrażenia -3(5a + 4b) w najprostszej postaci otrzymamy:
15a-12b
-15a-12b
15a+12b
-15a+12b

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x2(5xy)418x2y32x^2\cdot\left(-5xy\right)\cdot4\cdot\frac{1}{8}x^2y^3  
Powyższe wyrażenie po uproszczeniu ma postać:

 5x5y4-5x^5y^4  

 5x4y35x^4y^3  

 5x5y45x^5y^4  

 25418xx2x2yy3-2\cdot5\cdot4\cdot\frac{1}{8}xx^2x^2yy^3  

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Jednomianem jest:

Zaznacz wszystkie poprawne odpowiedzi.

2x2x

4x2y34x^2y^3

x2\frac{x}{2}

x+5x+5

2(x+m2)2\left(x+m^2\right)

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Jednomianem jest:

Zaznacz wszystkie poprawne odpowiedzi.

8x\frac{8}{x}

2xk2\sqrt{2}xk^2

7x7\sqrt{x}

(xyz)2\left(xyz\right)^2

3737

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Wskaż jednomiany. Zaznacz wszystkie poprawne odpowiedzi.

x2yx\cdot2y

6x+7y4z6x+7y-4z

4(2xy21)24\cdot\left(-2xy^{21}\right)^2

x2y327z(14x2y5z7)x^2\cdot y^3\cdot\frac{2}{7}z\cdot\left(-14x^2y^5z^7\right)

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