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Prueba 4°C

Authored by PATRICIA ALBORNOZ

Mathematics

9th Grade

Used 1+ times

Prueba 4°C
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea 2y -2x-5 =0 Ecuación De la recta, calcular el valor de la pendiente:

-2

-1

1

2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea los puntos A=(2 ,4 ) y B=( -1, -5 ) calcular su pendiente :

3

-3

0,5

-0,5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La pendiente de la recta x=4y -8 es :

4

-4

0,25

-0,25

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El perímetro determinado por la recta x/4 + y/3 =1, y los ejes coordenados es :

6

7

9

12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Para que la recta de ecuación : 3kx +y -10 = 0 tenga pendiente 6, el valor de k es :

2

-2

3

-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Que valor debe tener k para que las rectas ( 3- k ).x + 2y -5 = 0 y -4x +y -7 = 0 sean rectas perpendiculares :

11

11/4

7/2

5/2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En la función f(x) = y = 4x2- 8x +7, el vértice de la parábola es :

(2,7)

(1,6)

(1,3)

(4,6)

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