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Dziedzina i skracanie wyrażenia wymiernego

Authored by Arkadiusz Lotek

Mathematics

8th - 10th Grade

Used 23+ times

Dziedzina i skracanie wyrażenia wymiernego
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+3)(x2)(x+1)\frac{\left(x+3\right)\left(x-2\right)}{\left(x+1\right)}  ma sens dla

 xRx\in R  

 x1x\ne1  

 x1x\ne-1  

 ×ϕ\times\in\phi  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+3)(x2)(x1)\frac{\left(x+3\right)\left(x-2\right)}{\left(x-1\right)}  ma sens dla

xRx\in R

x1x\ne1

x1x\ne-1

×ϕ\times\in\phi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+3)(x2)(x2+1)\frac{\left(x+3\right)\left(x-2\right)}{\left(x^2+1\right)}  ma sens dla

xRx\in R

x1x\ne1

x1x\ne-1

×ϕ\times\in\phi

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+3)(x2)(x21)\frac{\left(x+3\right)\left(x-2\right)}{\left(x^2-1\right)}  ma sens dla

xRx\in R

x1x\ne1

x1x\ne-1

×ϕ\times\in\phi

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (x3)(x+4)(2x+4)\frac{\left(x-3\right)\left(x+4\right)}{\left(2x+4\right)}  ma sens dla

 x2x\ne-2  

 x=2x=2  

 x2x\ne2  

 x=2x=-2  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 2x+2x+1\frac{2x+2}{x+1}  

Skróć wyrażenie

2

1

x+1

x+2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Skróć ułamek

 3x3x1\frac{3x-3}{x-1}  

3

- 3

x

x-1

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