Quiz about polinomios inicio 2º ESO

Question 1

El grado del polinomio P(x)= x²+2x⁵+7x-x⁵

Accepted Answer

5

Answer

10

Answer

13

Answer

2

Question 2

El grado del polinomio P(x)= 2x⁴-4x-2x⁴+3x³

Accepted Answer

3

Answer

4

Answer

12

Answer

1

Question 3

El grado de $$3x^5y^2z$$ es:

Accepted Answer

8

Answer

5

Answer

9

Answer

3

Question 4

Dado el siguiente polinomio;

$$4-x^2+3x^6+5x+2$$ El coeficiente principal es:

Accepted Answer

3

Answer

5

Answer

4

Answer

6

Question 5

$$\left(-3x^2\right)\left(4x^5\right)=$$

El resultado de

Accepted Answer

$$-12x^7$$

Answer

$$x^7$$

Answer

$$-12x^{10}$$

Question 6

$$La\ fórmula\ de\ \left(a+b\right)^2$$ es

Accepted Answer

$$a^2+2ab+b^2$$

Answer

$$a^2+b^2$$

Answer

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

Answer

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

Question 7

Dados los polinomios de la imagen calcula: P(x)-3Q(x)=

Accepted Answer

4x³ -8x²+3x

Answer

2x³ -5x²+3x

Answer

8x³ -4x²+3x

Answer

3x³ -8x²+4x

Question 8

Opera: (x²+5x-2)(4x+3) =

Accepted Answer

4x³+23x²+7x-6

Answer

4x³+3x²+7x-6

Answer

x³+23x²+7x-6

Answer

4x³+3x²+x-6

Question 9

(5a² - 9a + 7) + (5a - 15a²+ 11) + ( -13 -17a² + 4a)

Accepted Answer

27a2 + 5

Answer

27a² -8a + 5

Answer

-7a2 + 5

Answer

7a² - 8a + 5

Question 10

El resultado de multiplicar

$$6x^2y^{3\ }\cdot\ 7x^4y^5$$ es:

Accepted Answer

$$42x^6y^8$$

Answer

$$42x^8y^{15}$$

Answer

$$13x^6y^8$$

Answer

$$42x^6y^{15}$$

polinomios inicio 2º ESO

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