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INGENIERÍA TEMA

Authored by Padron Angelica

Specialty

1st Grade

Used 1+ times

INGENIERÍA TEMA
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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

El valor máximo relativo de: f(x)=−2x2+4x+3f\left(x\right)=-2x^2+4x+3  

-5

-1

0

1

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Al derivar la expresión, se obtiene: x2=16−xy2x^2=16-xy^2  

−2x+y22xy-\frac{2x+y^2}{2xy}  

−2x2+y22xy-\frac{2x^2+y^2}{2xy}  

2x+y22xy\frac{2x+y^2}{2xy}  

2x2+y2xy\frac{2x^2+y^2}{xy}  

2x2+y22xy\frac{2x^2+y^2}{2xy}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

La solución de la ecuación (x2−2x+1)=2−x\sqrt[]{\left(x^2-\sqrt[]{2x+1}\right)}=2-x  , es:

114\frac{11}{4}  

32\frac{3}{2}  

54\frac{5}{\text{}4}  

58\frac{5}{8}  

38\frac{3}{8}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Si x=2, y=-1, z=3, a=0, c=1/3, el valor de la expresión 5xy+3z2a3−c2\frac{5xy+3z}{2a^3-c^2}  , es:

19\frac{1}{9}  

13\frac{1}{3}  

79\frac{7}{9}  

33  

99  

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Encuentre la relación entre x y y de manera que el punto (x,y) sea equidistante a (4,-1) y (-2,3)

x+y=0x+y=0  

x+2y=2x+2y=2  

3x+y=33x+y=3  

3x−2y=13x-2y=1  

2x+2y=32x+2y=3  

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

El valor de x en la relación x=log⁡48x=\log_48  , es:

12\frac{1}{2}  

1

32\frac{3}{2}  

2

52\frac{5}{2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Al factorizar ax+ay+x+yax+ay+x+y   se obtiene:

(x−y)(a−1)\left(x-y\right)\left(a-1\right)  

(x−y)(a+1)\left(x-y\right)\left(a+1\right)  

(x+y)(a+1)\left(x+y\right)\left(a+1\right)  

(−x+y)(1−a)\left(-x+y\right)\left(1-a\right)  

(−x−y)(1+a)\left(-x-y\right)\left(1+a\right)  

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