
Mat2
Authored by Hugo Montenegro
Mathematics
9th Grade
Used 1+ times

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55 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La igualdad en estas dos expresiones es correcta o incorrecta?
1) 2(5x + 8)= – 10x + 16
2) 2x + 3(7 – 3x) + 6 =– 7x + 27
1) correcta
2) correcta
1) incorrecta
2)correcta
1) correcta
2) incorrecta
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El resultado de 72 · 73 =
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando se tiene que sacar el area de una figura geometrica, hay dos
facotores que siempre tienes que tener para poder sacarla, ¿Cuáles son?
la base y el volumen
longitud de los lados y la altura
perimetro y volumen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
= EL RESULTADO ES :
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X - Y = 10
2X + 3Y = 5
CON EL METODO DE SUMA Y RESTA . ¿CON CUANTO TENGO QUE MULTIPLICAR UNA ECUACION PARA ELIMINIAR A LA VARIABLE X.
-2
2
CON NINGUNA DE LAS ANTERIORES
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CON EL METODO DE SUMA Y RESTA DEL SISTEMA DE ECUACIONES A QUE VARIABLE ES ¿A LA QUE PUEDO ELIMINAR ?
X + Y = 38
X - Y = 4
X
Y
A NINGUNA DE LAS ANTERIORES
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EN UN SISTEMA DE ECUACIONES CON EL METODO DE SUMA Y RESTA CON QUE CANTIDADES NECESITO MULTIPLICAR LAS ECUACIONES PARA ELIMINAR UNA VARIABLE .
2X + 3Y =14
3X + 2Y = 13
EC.1 CON (2), EC. 2 CON ( -3 )
EC. 1 CON ( 3), EC. 2 CON ( 2)
EC.1 CON ( -1) , EC.2 CON ( -2)
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