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wielomiany poprawa 2

Authored by Monika Wielgórska

Mathematics

1st - 2nd Grade

CCSS covered

Used 8+ times

wielomiany poprawa 2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jakiego stopnia jest wielomian:  W(x)=3x52x3+x29W\left(x\right)=3x^5-2x^3+x^2-9  ?

5

10

11

3

7

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Różnica S - T dla  S=2x4x3x7S=2x^4-x^3-x-7  T=2x5x34x3T=2x^5-x^3-4x-3  jest równa:

 2x5+2x4+3x9-2x^5+2x^4+3x-9  

 2x5+2x4+3x5-2x^5+2x^4+3x-5  

 3x293x^2-9  

 2x5+2x45x4-2x^5+2x^4-5x-4  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Suma S + T dla  S=3x64x5+3x22S=3x^6-4x^5+3x^2-2  T=24x3x2+4x5T=2-4x-3x^2+4x^5  jest równa:

 x5-x^5  

 3x64x3x^6-4x  

 3x66x24x3x^6-6x^2-4x  

 3x64x43x^6-4x-4  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Iloczyn sum algebraicznych  S=2x3xS=2x^3-x  T=x22T=x^2-2  wynosi:

 2x5+2x2x^5+2x  

 2x6+2x2x^6+2x  

 2x54x3+2x2x^5-4x^3+2x  

 2x55x3+2x2x^5-5x^3+2x  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wyznacz wielomian  w(x)=2f(x)3g(x)w\left(x\right)=2f\left(x\right)-3g\left(x\right) , jeśli  f(x)=3x5+6x39xf\left(x\right)=3x^5+6x^3-9x   zaś  g(x)=2x5+4x34x2g\left(x\right)=2x^5+4x^3-4x^2  

 10x34x29x10x^3-4x^2-9x  

 12x218x12x^2-18x  

 12x2+18x12x^2+18x  

 6x2+18x6x^2+18x  

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wartość sumy algebraicznej  3x4+2x3x+2-3x^4+2x^3-x+2  
dla x = - 2 wynosi:

8

-60

- 2

- 4

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Iloczyn sum algebraicznych  S=x33x2S=x^3-3x^2  T=x3T=x-3  wynosi:

 x4+9x2x^4+9x^2  

 x43x39x2x^4-3x^3-9x^2  

 x46x3+9x2x^4-6x^3+9x^2  

 x46x39x2x^4-6x^3-9x^2  

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