8° MATH

8° MATH

8th Grade

10 Qs

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8° MATH

8° MATH

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Julian Sanchez

Used 46+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Halle la solución  a3b4a2b6c2a^3b^4a^2b^6c^2  

 a6b24c2a^6b^{24}c^2  

 a5b10c2a^5b^{10}c^2  

 abcabc  

 a5b4a^5b^4  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 5x3z2(3x2z2)5x^3z^2\left(-3x^2z^2\right)  

Halle


 2x2z3-2x^2z^3  

 8x5z4-8x^5z^4  

 15x5z415x^5z^4  

 15x5z4-15x^5z^4  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Halle el área del siguiente cuadrado.

(2x6)+(2x6)\left(2x-6\right)+\left(2x-6\right)


4x224x+364x^2-24x+36

4x2364x^2-36

8x8x

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Halle el área del rectángulo

(3y+8)(8x)\left(3y+8\right)\left(8x\right)

(11y)+(8x)\left(11y\right)+\left(8x\right)

15xy+9y+40x+2415xy+9y+40x+24

6xy+9y+40x246xy+9y+40x-24

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x14x6\frac{x^{14}}{x^6}  

Halle la solución


 x20x^{20}  

 x8x^8  

 x84x^{84}  

 x2,2x^{2,2}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x7z6y5y3x3z2y9\frac{x^7z^6y^5y^3}{x^3z^2y^9}  

Resuelva

 x4z4y1x^4z^4y^{-1}  

 x10z8y17x^{10}z^8y^{17}  

 x21z12y72x^{21}z^{12}y^{72}  

 xyzxyz  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 10x4y2+45x6y1020x6y25x2y2\frac{-10x^4y^2+45x^6y^{10}-20x^6y^2}{5x^2y^2}  

Reduzca a su mínima expresión


 2x2+9x4y84x4-2x^2+9x^4y^8-4x^4  

 2x4+9x10y124x8-2x^4+9x^{10}y^{12}-4x^8  

 50x6y4+225x8y12100x8y4-50x^6y^4+225x^8y^{12}-100x^8y^4  

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