SEGUNDO MICROEXAMEN MATE 1

1. 12x^10a-4y^5b-2 entre -6x^3a+2y^2b+1

A) x^7a-6y^3b-3
B) -2x^7a-6y^3b-3
C) 2x^13a-2y^7b-1
D) -2x^13a-2y^7b-1
E) 2x^7a-6y^3b-3

2. 48a^2x+3b^3x-2c^x entre -16a^x+1b^2x-5c³

A) 2a^3x+4b^5x-7c^x+3
B) -2a^3x+4b^5x-7c^x+3
C) 3a^x+2b^x+3c^x-3
D) -3a^3x+4b^5x-7c^x+3
E) -3a^x+2b^x+3c^x-3

3. (1/4)a²-(5/2)a entre (1/2)a

A) (1/8)a-5
B) (1/2)a+5
C) (1/2)a-5
D) (1/4)a-10
E) (1/8)a+5

4. x^2a+3y^3a+9-12x^a+6y^2a+8 entre 6x^a+2y^a+2

A) -(1/6)x^a+1y^2a+7-2x⁴y^a+6
B) (1/6)x^a+1y^2a+7-2x⁴y^a+6
C) -(1/6)x^a+1y^2a+7+2x⁴y^a+6
D) (1/6)x^a+1y^2a+7+2x⁴y^a+6
E) 6x^a+1y^2a+7-(1/2)x⁴y^a+6

5. 12x³-25x²-9x+28 entre 3x-4

A) -4x²-3x-7
B) 4x²-3x-7
C) 4x²-3x+7
D) 4x²+3x-7
E) 4x³-3x-7

6. m^2x+3+4m^2x+2+m^2x+1-2m^2x entre m^x+m^x+1

A) m^x+2-3m^x+1-2m^x
B) -m^x+2-3m^x+1-2m^x
C) m^x+2+3m^x+1+2m^x
D) m^x+2+3m^x+1-2m^x
E) -m^x+2+3m^x+1-2m^x

7. (6mn⁴+3m⁵p)²

A) 36m²n⁸+36m⁶n⁴p-9m¹⁰p²
B) 36m²n⁸-36m⁶n⁴p+9m¹⁰p²
C) 36m²n⁸+36m⁶n⁴p+9m¹⁰p²
D) -36m²n⁸+36m⁶n⁴p+9m¹⁰p²
E) -36m²n⁸-36m⁶n⁴p-9m¹⁰p²

8. (a⁶-b⁴)²

A) -a¹²-2a⁶b⁴+b⁸
B) -a¹⁰-2a⁵b⁵-b¹⁰
C) a¹²-2a⁶b⁴-b⁸
D) -a¹²-2a⁶b⁴-b⁸
E) a¹²-2a⁶b⁴+b⁸

9. [(1/3)a+(1/2)b+c]²

A) a²-(1/9)b²+c²+ac+ab-(2/3)bc
B) a²-(1/9)b²+c²+ac-ab-(2/3)bc
C) (1/9)a²+(1/4)b²+c²+(1/3)ab+(2/3)ac+bc
D) (1/9)a²-(1/4)b²+c²+(1/3)ab+(2/3)ac+bc
E) a²-(1/9)b²-c²-ac+ab-(2/3)bc

10. [(3/x)+(2/y)-(1/z)]²

A) (4/x²)+(9/y²)-(1/z²)-(12/xy)+(4/xz)-(6/yz)
B) (9/x²)+(4/y²)+(1/z²)+(12/xy)+(6/xz)+(4/yz)
C) (9/x²)-(4/y²)-(1/z²)-(12/xy)+(6/xz)+(4/yz)
D) (9/x²)+(4/y²)+(1/z²)+(12/xy)-(6/xz)+(4/yz)
E) (9/x²)+(4/y²)+(1/z²)+(12/xy)-(6/xz)-(4/yz)

11. (3a^x-3+b^3x+1)(3a^x-3-b^3x+1)

A) 9a^2x-6-b^6x+2
B) -9a^2x-6+b^6x+2
C) 9a^2x-6+b^6x+2
D) -9a^2x-6-b^6x+2
E) -9a^2x+8+b^6x

12. (8y^2a-2-4x^4a+1)(4x^4a+1+8y^2a-2)

A) 64y^4a+6-16x^8a
B) -64y^4a-4+16x^8a+2
C) 64y^4a-4-16x^8a+2
D) 64y^4a-6+16x^8a
E) -64y^4a-4-16x^8a+2

Examen creado con That Quiz — el sitio para crear exámenes de matemáticas.