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Hulkliikmed

Authored by Birgit Paju

Mathematics

8th - 10th Grade

Used 13+ times

Hulkliikmed
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Milline neist on hulkliige?

4a24a^2

4a+2a−a4a+2a-a

4a+2b+c4a+2b+c

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mida tähendab korrastatud hulkliige?

Hulkliikmes on ainult sarnased liikmed (nt 10a+5a−2a10a+5a-2a )

Kõik liikmed on järjestatud suuruse kahanemise järjekorras (nt 8ab2−5a2b−a+28ab^2-5a^2b-a+2 )

Liitmisel ja lahutamisel on hulkliikmed eraldatud sulgudega (nt (5a−6b+c)−(2a−9b−5)\left(5a-6b+c\right)-\left(2a-9b-5\right) )

Korrastatud hulkliikmes on sulgude ette toodud hulkliikme ühine tegur (nt 4x(3x2−x+2)4x\left(3x^2-x+2\right) )

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Milline neist on kaksliige?

5c−c5c-c

4a+b4a+b

2m2m

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Milline neist on kaksliikme ruudu valem?

(a+b)2=a2+ab+b2\left(a+b\right)^2=a^2+ab+b^2

(a−b)2=a2−b2\left(a-b\right)^2=a^2-b^2

(x+y)2=x2+2xy+y2\left(x+y\right)^2=x^2+2xy+y^2

(x−y)2=x2−2xy−y2\left(x-y\right)^2=x^2-2xy-y^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis on arvude  kk  ja  mm  vahe ruut?

 k2−m2k^2-m^2  

 k−m2k-m^2  

 (k−m)2\left(k-m\right)^2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Valem kujul  a2−b2=(a−b)(a+b)a^2-b^2=\left(a-b\right)\left(a+b\right)  on ....

Ruutude vahe valem

Vahe ruudu valem

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kasuta kaksliikme ruudu valemit: 

 (2a+5)2\left(2a+5\right)^2  

 2a2+10a+252a^2+10a+25  

 2a2+20a+252a^2+20a+25  

 4a2+10a+254a^2+10a+25  

 4a2+20a+254a^2+20a+25  

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