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Ingreso a la uni

Total questions: 21

Worksheet time: 56mins

Name
Class
Date
1.

9y+8x2x+3y=9y+8x-2x+3y=  

a)

6x+12y6x+12y  

b)

10x+12y10x+12y  

c)

18xy18xy  

d)

10x12y10x-12y  

2.

Reduzca los términos semejantes en la siguiente expresión:
9ab+2a2ab7b2a29ab+2a^2-ab-7b^2-a^2

a)

11a28ab8b211a^2-8ab-8b^2  

b)

11ab2a27b211ab-2a^2-7b^2  

c)

8ab+a27b28ab+a^2-7b^2  

d)

8ab5a28b28ab-5a^2-8b^2  

3.

7x2 +8x3+2 6x 7x3+5x27x7x^2\ +8x^3+2\ -6x\ -7x^3+5x^2-7x  

a)

12x2+x3+19x+212x^2+x^3+19x+2  

b)

12x2+x3+16x+312x^2+x^3+16x+3  

c)

12x2+x3+13x+212x^2+x^3+13x+2  

d)

12x2+x313x+212x^2+x^3-13x+2  

4.

Resuelve la siguiente desigualdad

3x+25x+163x+2\ge5x+16  

a)

x7x\ge7  

b)

x7x\le7  

c)

x7x\le-7  

d)

x7x\ge-7  

5.

11 - 3x ≤ 36 + 2x

a)

x = -5

b)

x ≥ 5

c)

x ≥ -5

d)

x ≤ -5

6.

Al desarrollar la expresión  (x3)2\left(x-3\right)^2  

a)

x2+3x+3x^2+3x+3  

b)

x26x+9x^2-6x+9  

c)

x29x^2-9  

d)

x23x+9x^2-3x+9  

7.

(12a223b) 2\left(\frac{1}{2}a^2-\frac{2}{3}b\right)^{\ ^2}  

a)

=14a4+43a2b+49b2=\frac{1}{4}a^4+\frac{4}{3}a^2b+\frac{4}{9}b^2  

b)

=14a443a2b+49b2=\frac{1}{4}a^4-\frac{4}{3}a^2b+\frac{4}{9}b^2  

c)

=14a423a2b+49b2=\frac{1}{4}a^4-\frac{2}{3}a^2b+\frac{4}{9}b^2  

8.

(8p59p3q2)2\left(8p^5-9p^3q^2\right)^2  

a)

=16p10144p8q2+18p6q4=16p^{10}-144p^8q^2+18p^6q^4  

b)

=16p10144p15q2+18p5q4=16p^{10}-144p^{15}q^2+18p^5q^4  

c)

=64p10144p8q2+81p6q4=64p^{10}-144p^8q^2+81p^6q^4  

9.

Multiplica: (2x2y3)(3xy2)=Multiplica:\ \left(-2x^2y^3\right)\left(3xy^2\right)=  

a)

5x2y4-5x^2y^4  

b)

6x4y5-6x^4y^5  

c)

6x3y5-6x^3y^5  

d)

6x3y56x^3y^5  

10.

Multiplica :  (4a2b6)(5a3b2c3) Multiplica\ :\ \ \left(-4a^2b^6\right)\left(-5a^3b^2c^3\right)\  

a)

20a5b820a^5b^8  

b)

20a4b4c3-20a^4b^4c^3  

c)

20a5b8c320a^5b^8c^3  

d)

20a5b8c3-20a^5b^8c^3  

11.

Multiplica: (23x)(15xy2)=Multiplica:\ \left(\frac{2}{3}x\right)\left(\frac{1}{5}xy^2\right)=  

a)

215x2y2\frac{2}{15}x^2y^2  

b)

38xy2\frac{3}{8}xy^2  

c)

315xy-\frac{3}{15}xy  

d)

215xy2\frac{2}{15}xy^2  

12.

Multiplica: 2x(x+1)

a)

2x2 + 2x

b)

2x2+2

c)

2x+2

d)

2x3 +1

13.

6x4(2x3+8x2-x)

a)

12x7+48x6-6x5

b)

12x7+48x6+6x5

14.

7x2y2(5x29xy12y2)-7x^2y^2\left(5x^2-9xy-12y^2\right)  

a)

35x4y263x3y3+84x2y4-35x^4y^2-63x^3y^3+84x^2y^4  

b)

35x4y2+63x3y3+84x2y4-35x^4y^2+63x^3y^3+84x^2y^4  

c)

35x4y2+63x3y3+84x2y3-35x^4y^2+63x^3y^3+84x^2y^3  

d)

35x4y2+63x3y384x2y4-35x^4y^2+63x^3y^3-84x^2y^4  

15.

(3x+2y)(5x4y)\left(3x+2y\right)\left(5x-4y\right)  

a)

15x22xy8y2-15x^2-2xy-8y^2  

b)

15x22xy+8y215x^2-2xy+8y^2  

c)

15x2+2xy8y215x^2+2xy-8y^2  

d)

15x22xy8y215x^2-2xy-8y^2  

16.

(x+y)(x+y)\left(x+y\right)\left(x+y\right)  

a)

x2xyxyy2x^2-xy-xy-y^2  

b)

x2+xy+xy+y2x^2+xy+xy+y^2  

c)

x2+y2x^2+y^2  

d)

x2y2x^2-y^2  

17.
El resultado de multiplicar (3x-2)(3x+2) es:
a)
9x2 - 4
b)
9x2-12x+4
c)
9x2+4
d)
9x2+12x-4
18.
Opera:
(x2+5x-2)(4x+3) =
a)
4x3+23x2+7x-6
b)
4x3+3x2+7x-6
c)
x3+23x2+7x-6
19.

(3x+2y)(5x4y)\left(3x+2y\right)\left(5x-4y\right)  

a)

15x22xy8y2-15x^2-2xy-8y^2  

b)

15x22xy+8y215x^2-2xy+8y^2  

c)

15x2+2xy8y215x^2+2xy-8y^2  

d)

15x22xy8y215x^2-2xy-8y^2  

20.

7x2y2(5x29xy12y2)-7x^2y^2\left(5x^2-9xy-12y^2\right)  

a)

35x4y263x3y3+84x2y4-35x^4y^2-63x^3y^3+84x^2y^4  

b)

35x4y2+63x3y3+84x2y4-35x^4y^2+63x^3y^3+84x^2y^4  

c)

35x4y2+63x3y3+84x2y3-35x^4y^2+63x^3y^3+84x^2y^3  

d)

35x4y2+63x3y384x2y4-35x^4y^2+63x^3y^3-84x^2y^4  

21.

(2x4)3\left(2x-4\right)^3

a)

8x348x2+96x648x^3-48x^2+96x-64  

b)

8x3+48x2+96x648x^3+48x^2+96x-64  

c)

6x3+24x2+36x646x^3+24x^2+36x-64  

d)

Ninguna de las anteriores