Quiz about test su monomi

Question 1

Esegui il calcolo

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

0

Answer

2a

Question 2

Calcola la seguente potenza di monomi: $$\left(-\frac{4}{7}a^2b^2c^3\right)^3$$

Accepted Answer

$$-\frac{64}{323}a^6b^6c^9$$

Answer

$$-\frac{64}{323}a^8b^8c^{27}$$

Answer

$$-\frac{12}{21}a^6b^6c^9$$

Answer

$$-\frac{12}{21}a^6b^6c^9$$

Question 3

Risolvi: $$\left(\frac{2}{3}a^2b\right)^3\cdot\left(\frac{1}{2}a\right)^2$$

Accepted Answer

$$\frac{2}{27}^{ }a^8\ b^3\ \ $$

Answer

$$\frac{3}{4}a^8b^3$$

Answer

$$\frac{3}{4}a^{12}\ b^3$$

Question 4

Question 4.

Accepted Answer

24x9

Answer

10x9

Answer

24x14

Answer

10x14

Question 5

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

Accepted Answer

$$-10xyz^2$$

Answer

$$-4xyz^2$$

Answer

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

Question 6

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

Accepted Answer

12

Answer

10

Answer

14

Answer

6

Question 7

$$\left(+3b^2c ight) imes\left(-2bc ight)=$$

Accepted Answer

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

Answer

$$-6bc$$

Answer

$$-6b$$

Answer

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

Question 8

risolvi $$1-\left(\frac{3}{4}b^2\right)+b+\left(2b\ -\ b^2\right)-\left(-\frac{3}{4}b^2\right)$$

Accepted Answer

$$1+3b-b^2$$

Answer

$$-\frac{3}{2}a$$

Answer

$$+2b^2+1$$

Answer

$$-\frac{1}{4}b$$

Question 9

3a+2ab-3b+2b -5ab+4a-12b

Accepted Answer

7a-3ab-13b

Answer

7a+7b-7ab

Answer

7a+7ab+7b

Answer

a+b-3ab

Answer

Nessuna delle altre opzioni

Question 10

$$\frac{1}{3}a\ +\frac{1}{2}a\left(2b^2\right)-\frac{3}{2}a+ab\left(2b\right)$$

Accepted Answer

$$-\frac{7}{6}a+3ab^2$$

Answer

$$\frac{1}{6}a\ +\frac{5}{2}ab^2$$

Answer

$$\frac{11}{6}ab^2$$

Answer

$$\frac{11}{6}a+3ab^2$$

Answer

Nessuna delle altre opzioni

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