Quiz about Algebra (1go zatia)

Question 1

$$2x^2+3x^2-3x+4x=$$

Accepted Answer

$$5x^2+x$$

Answer

$$5x^4+7x$$

Answer

$$5x^2-7x$$

Answer

$$5x^4-x$$

Question 2

$$3x^3-4x^2-5x^2+6x^3=$$

Accepted Answer

$$9x^3-9x^2$$

Answer

$$7x^5+x^3$$

Answer

$$9x^6-9x^4$$

Answer

$$7x^5+11x^5$$

Question 3

$$6x^3-2x^2-x$$

Accepted Answer

$$6x^3-2x^2-x$$

Answer

$$9x^6$$

Answer

$$6x^3-2x^5$$

Answer

$$4x^3-2x^2-x$$

Question 4

$$7a^3-2ab+7a^3=$$

Accepted Answer

$$14a^3-2ab=$$

Answer

$$14a^6-2ab$$

Answer

$$12a^3b$$

Answer

$$7a^3-2ab$$

Question 5

$$3ab+3ab-4a^2b=$$

Accepted Answer

$$-4a^2b+6ab$$

Answer

$$2a^2b$$

Answer

$$-6ab-4a^2b$$

Answer

$$-4a^2b+9ab$$

Question 6

$$7xy+8x-3y-14xy=$$

Accepted Answer

$$-7xy+8x-3y$$

Answer

$$15x^2-17xy$$

Answer

$$7xy-8x-3y$$

Answer

$$-4a^2b$$

Question 7

$$7x-5x-8x-6x=$$

Accepted Answer

$$-12x$$

Answer

$$12x$$

Answer

2x+14x

Answer

18x

Question 8

$$3x+4x-x-6x=$$ =

Accepted Answer

0

Answer

-7x

Answer

7x

Answer

10x

Question 9

2y-3x+5x-6y=

Accepted Answer

+2x-4y=

Answer

3xy

Answer

8x-8y

Answer

0xy

Question 10

3x . 6x=

Accepted Answer

$$18x^2$$

Answer

18x

Answer

9x

Answer

$$9x^2$$

Question 11

10x . (-2x)=

Accepted Answer

$$-20x^2$$

Answer

$$12x^2$$

Answer

20x

Answer

12x

Question 12

2ab . 6ab =

Accepted Answer

$$12a^2b^2$$

Answer

8ab

Answer

$$8a^2b^2$$

Answer

-12 ab

Question 13

$$\left(2a^2c\ \right).\ \left(-9a^2bc\right)=$$

Accepted Answer

$$-18a^4bc^2$$

Answer

$$-18\ abc\ ^{ }$$

Answer

$$-18a^2bc^2$$

Answer

$$18a^4bc^2$$

Question 14

(4c) . (-5ab)=

Accepted Answer

-20abc

Answer

20abc

Answer

9abc

Answer

-1abc

Question 15

-2xy . 4xy=

Accepted Answer

$$-8x^2y^2$$

Answer

$$-4x^2y^2$$

Answer

-2xy

Answer

6xy

Question 16

(-9ab) . (-3abc)=

Accepted Answer

$$27a^2b^2c$$

Answer

$$-27a^2b^2c$$

Answer

12abc

Answer

-12abc

Question 17

-2x . (-x)=

Accepted Answer

$$2x^2$$

Answer

-3x

Answer

+3x

Answer

$$-2x^2$$

Question 18

$$2x+x=3x$$

Accepted Answer

Egia

Answer

Gezurra

Question 19

$$-2x+x=-3x$$

Accepted Answer

Gezurra

Answer

Egia

Question 20

$$-2x+x=-x$$

Accepted Answer

Egia

Answer

Gezurra

Question 21

$$2x^2+x=3x^3$$

Accepted Answer

Gezurra

Answer

Egia

Question 22

Zein da ondoko monomioaren koefizientea? $$-\frac{1}{2}x^5y$$

Accepted Answer

$$-\frac{1}{2}$$

Answer

x eta y

Answer

5

Answer

$$x^5y$$

Question 23

Zein da ondoko monomioaren maila? $$-\frac{1}{2}x^5y$$

Accepted Answer

6

Answer

$$0$$

Answer

2

Answer

5

Question 24

Zein da ondoko monomioaren maila? $$3x^{ }y$$

Accepted Answer

2

Answer

$$0$$

Answer

3

Answer

1

Question 25

Zein da ondoko monomioaren maila? $$-5$$

Accepted Answer

$$0$$

Answer

1

Answer

-1

Answer

-5

Algebra (1go zatia)

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