Quiz about Monomi base

Question 1

Stabilisci quali delle seguenti coppie sono monomi simili

Accepted Answer

$$\frac{5}{6}a^4bc^{2\ }$$ e $$3a^4bc^2$$

Accepted Answer

$$-x^2y$$ e $$3x^2y$$

Answer

$$+3ab$$ e $$+3\ a^2b$$

Question 2

Due monomi si dicono uguali quando

Accepted Answer

hanno lo stesso coefficiente numerico e la stessa parte letterale

Answer

hanno la stessa parte letterale e coefficiente numerico opposto

Answer

hanno lo stesso coefficiente numerico e parte letterale diversa

Question 3

Individua le coppie di monomi opposti

Accepted Answer

$$3ab$$ e $$-3ab$$

Accepted Answer

$$-xy^4$$ e $$+xy^4$$

Answer

$$\frac{4}{3}a^2b^3$$ e $$\frac{3}{4}a^2b^3$$

Answer

$$3ac^2$$ e $$4ac^2$$

Question 4

Indica il grado complessivo del seguente monomio $$12a^2b^6c^4$$

Accepted Answer

12

Answer

10

Answer

14

Answer

6

Question 5

$$\left(-7xyz^2\right)+\left(-3xyz^2\right)=$$

Accepted Answer

$$-10xyz^2$$

Answer

$$-4xyz^2$$

Answer

$$+21x^2y^2z^4$$

Question 6

3ab+5b=

Accepted Answer

3ab+5b

Answer

8ab

Answer

8b

Answer

8ab

Question 7

$$7mp-3mn-7mp=$$

Accepted Answer

-3mn

Answer

17mp-3mn

Answer

17mnp

Answer

10mnp

Question 8

$$\left(-7xyz^2\right)+\left(-3xyz^2\right)=$$

Accepted Answer

$$-10xyz^2$$

Answer

$$-4xyz^2$$

Answer

$$+21x^2y^2z^4$$

Question 9

Quali dei seguenti monomi sono simili a questo? Selezionali tutti
$$-2x^2y^3$$

Accepted Answer

$$\frac{3}{5}x^2y^3$$

Accepted Answer

$$x^2y^3$$

Answer

$$20xy$$

Answer

$$-2x^2y$$

Answer

$$-xy3$$

Question 10

$$3xy-5xy+\frac{1}{3}xy+.......=\frac{2}{3}xy$$ Inserisci il monomio mancante in modo che l'uguaglianza precedente risulti vera.

Accepted Answer

$$\frac{7}{3}xy$$

Answer

$$\frac{2}{3}xy$$

Answer

$$xy$$

Answer

$$\frac{5}{3}xy$$

Question 11

$$+5a^3b^2\ +7a^3b^2=$$

Accepted Answer

$$12a^{3^{ }}b^2$$

Answer

$$13a^{3\ }b^2$$

Answer

$$12a^2b^2$$

Question 12

Quali fra le seguenti espressioni sono monomi?

Accepted Answer

$$\frac{3}{4}xy$$

Accepted Answer

$$\frac{1}{10}x$$

Accepted Answer

$$-\ 7\ a\ ^2$$

Answer

$$a\ +\ 2$$

Answer

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

Question 13

1. Quali delle seguenti addizioni tra monomi sono corrette?

Accepted Answer

-2a+3a = a

Accepted Answer

+2a - 3a = - a

Answer

-2a+4a = - 2a

Answer

-2a - 4a = 8a²

Answer

+2a+3a = 5a²

Question 14

Il monomio $$\frac{3}{7}xyx^2x7xy^2$$ ridotto in forma normale corrisponde a:

Accepted Answer

$$3x^5y^3$$

Answer

$$\frac{7}{3}x^5y^3$$

Answer

$$\frac{3}{7}x^4y^2$$

Answer

$$\frac{3}{7}x^5y^3$$

Question 15

$$a^2+2a^2+4a^2=?$$

Accepted Answer

$$7a^2$$

Answer

$$6a^6$$

Answer

$$8a^2$$

Answer

$$7a^6$$

Question 16

Due monomi opposti sono simili?

Accepted Answer

Vero

Answer

Falso

Question 17

quali tra quelli che seguono NON E' un monomio?

Accepted Answer

5ab-3

Answer

5-4ab3

Answer

11

Answer

13ab3

Answer

11-4

Question 18

1. Quali delle seguenti moltiplicazioni tra monomi sono corrette?

Accepted Answer

(-2a)(-3a) = +6a²

Accepted Answer

-a(+2a) = -2a²

Accepted Answer

-1(+3a )= -3a

Answer

(-2a)(+4a) = -6a

Answer

(+2a)(-3a) = - 6a

Question 19

1. Quali delle seguenti operazioni sono corrette?

Accepted Answer

$$a\ \cdot\ a^2=a^3$$

Accepted Answer

$$2a\cdot\frac{1}{2}a=a^2$$

Answer

$$+a^2=\ a^3$$

Answer

$$2a+2b=5ab$$

Answer

$$4x^4-x^3=3a$$

Question 20

$$\left(+\frac{3}{2}b^2c\right)\cdot\left(-2bc\right)=$$

Accepted Answer

$$-3b^3c^2$$

Answer

$$-6bc$$

Answer

$$-6b$$

Answer

$$+6b^3c^2$$

Question 21

$$2x\cdot x=$$

Accepted Answer

$$2x^{2\ }$$

Answer

$$3x$$

Answer

$$3x^2$$

Answer

$$2x$$

Question 22

$$x^2\cdot\ 2xy=$$

Accepted Answer

2x3y

Answer

3x2y

Answer

3x3y

Answer

2x2y

Question 23

Calcola il prodotto tra i seguenti monomi $$3a^3\cdot2a$$

Accepted Answer

$$6a^4$$

Answer

$$5a^4$$

Answer

$$6a^3$$

Answer

$$5a^3$$

Question 24

$$2x\cdot2y=$$

Accepted Answer

$$4xy$$

Answer

$$2x+2y$$

Answer

$$4x+4y$$

Answer

$$2x$$

Question 25

$$-a\cdot\ \left(-5a^3\right)=$$

Accepted Answer

5a4

Answer

5a3

Answer

-6a4

Answer

-6a3

Question 26

$$\left(+3b^2c\right)\cdot\left(-2bc\right)=$$

Accepted Answer

$$-6b^3c^2$$

Answer

$$-6bc$$

Answer

$$-6b$$

Answer

$$+6b^3c^2$$

Question 27

$$6x^7\cdot\ 4x^2=$$

Accepted Answer

24x9

Answer

10x9

Answer

24x14

Answer

10x14

Question 28

Calcola il prodotto tra i seguenti monomi $$-2b^5\cdot10\ b^2\ $$

Accepted Answer

$$-20b^7$$

Answer

$$-8b^7$$

Answer

$$8b^{10}$$

Answer

$$-20b^{10}$$

Question 29

Calcola il prodotto tra i seguenti monomi $$3a^3b^5c^3\cdot12a\ b^2c\ x^2$$

Accepted Answer

$$36a^4b^7c^4x^2$$

Answer

$$36a^4b^7c^4$$

Answer

$$36a^4b^7c^3x^2$$

Answer

$$36a^3b^7c^4x$$

Question 30

Due monomi simili hanno lo stesso grado

Accepted Answer

V

Answer

F

Monomi base

65 questions

Un monomio è un'espressione algebrica in cui compaiono soltanto

Il valore del monomio 0xy è

Stabilisci quali delle seguenti coppie sono monomi simili

Due monomi si dicono uguali quando

Individua le coppie di monomi opposti

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