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Expresiones Racionales

Authored by Ludwing Burke

Mathematics

9th Grade

Used 14+ times

Expresiones Racionales
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 xy2yx\frac{xy^2}{y-x}  Evalúe la siguiente expresión Racional cuando x=3 y y=-2 

 125-\frac{12}{5}  

 125\frac{12}{5}  

8

 512\frac{-5}{12}  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 x2+8x+1x3 1\frac{x^2+8x+1}{x^{3\ }-1}  Encuentra el valor prohibido para la variable x

 x=1x=-1  

 x=±1x=\pm1  

 x1x\ne1  

 x=1x=\sqrt{-1}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x2+7x+10x26x+9\frac{x^2+7x+10}{x^2-6x+9}  Simplifique la siguiente expresión racional

 (x2)(x5)(x3)2\frac{\left(x-2\right)\left(x-5\right)}{\left(x-3\right)2}  

 (x+2)(x5)(x3)(x+3)\frac{\left(x+2\right)\left(x-5\right)}{\left(x-3\right)\left(x+3\right)}  

 (x+2)(x+5)(x3)2\frac{\left(x+2\right)\left(x+5\right)}{\left(x-3\right)^2}  

 (x2)(x5)(x+3)\frac{\left(x-2\right)\left(x-5\right)}{\left(x+3\right)}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 25y2x+13x+32y10\frac{25-y^2}{x+1}\cdot\frac{3x+3}{2y-10}  encuentre los valores prohibidos

 x1, y5x\ne-1,\ y\ne-5  

 y0, x2y\ne0,\ x\ne2  

 x2, x\ne2,\   

 x1, y5x\ne-1,\ y\ne5  

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

¿Cuál es la primera película de princesas de Disney?

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6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 mb+mx+nb+nxb2x2÷m2n22x2b\frac{mb+mx+nb+nx}{b^2-x^2}\div\frac{m^2-n^2}{2x-2b}  Resuelva

 (mn)2(xb)\frac{-\left(m-n\right)}{2\left(x-b\right)}  

 2mn\frac{-2}{m-n}  

 5y6\frac{5y}{6}  

 (x+b)xb\frac{\left(x+b\right)}{x-b}  

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

¿Qué tipo de mascota tiene la princesa Jasmine?

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