
Prueba 4°C
Authored by PATRICIA ALBORNOZ
Mathematics
9th Grade
Used 1+ times

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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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