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Examen diagnóstico ccm

Authored by Jessica Andrade

Mathematics

12th Grade

Used 25+ times

Examen diagnóstico ccm
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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza las operaciones y simplifica: 4x2y(−2xy2)(5x2y3)=4x^2y(-2xy^2)(5x^2y^3)=

40x5y640x^5y^6

12x4y612x^4y^6

−12x4y6-12x^4y^6

−40x5y6-40x^5y^6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza las operaciones y simplifica: −3x2y3(5x2−2xy+4y2)=-3x^2y^3(5x^2-2xy+4y^2)=

12x2y5−6x3y4−15x4y312x^2y^5-6x^3y^4-15x^4y^3

−15x4y3+6x3y4−12x2y5-15x^4y^3+6x^3y^4-12x^2y^5

4x2y5−2x3y4−5x4y34x^2y^5-2x^3y^4-5x^4y^3

2x2y5−2x3y4−5x4y32x^2y^5-2x^3y^4-5x^4y^3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza las operaciones y simplifica: (3x−2)(2x2−7x+1)=(3x-2)(2x^2-7x+1)=

6x3+25x2−11x−26x^3+25x^2-11x-2

5x3−17x2−11x+25x^3-17x^2-11x+2

6x3−25x2+17x−26x^3-25x^2+17x-2

2x2−4x−12x^2-4x-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza las operaciones y simplifica: (3x2−5x+8)−(2x2−3x+1)=(3x^2-5x+8)-(2x^2-3x+1)=

x2−2x+7x^2-2x+7

5x2−8x+95x^2-8x+9

x2−8x−7x^2-8x-7

x2−2x+9x^2-2x+9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza las operaciones y simplifica: 2x+3x+1+3x+2x+1=\frac{2x+3}{x+1}+\frac{3x+2}{x+1}=

55

3x+2x+1\frac{3x+2}{x+1}

xx+1\frac{x}{x+1}

(2x+1)(x−3)\frac{(2x+1)}{(x-3)}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza las operaciones y simplifica: senxcos⁡x−1senx=\frac{senx}{\cos x}-\frac{1}{senx}=

sen2x−cos⁡x(cos⁡x)(senx)\frac{sen^2x-\cos x}{\left(\cos x\right)\left(senx\right)}

senx−cos⁡xcos⁡x\frac{senx-\cos x}{\cos x}

senx1\frac{senx}{1}

senx−1(cos⁡x)(senx)\frac{senx-1}{(\cos x)(senx)}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplifica aplicando leyes de los exponentes: 4(x2y3)26(x3y)3\frac{4(x^2y^3)^2}{6(x^3y)^3}

2y33x5\frac{2y^3}{3x^5}

2y133x9\frac{2y^{13}}{3x^9}

16y336x5\frac{16y^3}{36x^5}

4y26x\frac{4y^2}{6x}

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