Sesión 8 - Operaciones con términos algebraicos y sucesiones
Quiz
•
Mathematics
•
1st Grade
•
Medium
Valeria Chávez
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Realiza la operación y elige el resultado:
-16-20=
-4
36
4
-36
Answer explanation
Como son dos números negativos se deben sumar y mantener el signo del número más grande: -16-20= -36
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El resultado de:
-78+15=
-1178
93
-63
63
Answer explanation
Son dos cantidades con signos diferentes, por lo tanto, se deben restar y mantener en el resultado el signo del número mayor.
-78+15=-63
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-6x+2y+x+4y=
El resultado es:
-5x+6y
7x+6y
5x-6y
6y+5x
Answer explanation
hay que juntar todas las "x" y juntar todas las "y" tomando en cuenta los signo de cada una.
-6x+2y+x+4y= -5x+6y
-6x+x= -5x (restar)
+2y+4y= +6y (sumar)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve:
(7x)(8x3)=
56x
56x4
15x
-56x4
Answer explanation
Es una multiplicación de coeficientes, pasas la literal en el resultado y sumas los exponentes.
(7x)(8x3)= 56x4
7*8=56
x1*x3 =x4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es resultado de (3a2)-4a3=
6a5
-1a
-12a5
7a
Answer explanation
Se multiplican los coeficientes respetando las leyes de los signos, pasas la literal en el resultado; porque es la misma, y sumas los exponentes.
(3a2)-4a3= -12a5
3(-4)=-12
2+3=5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve la operación:
(10m2)(7n)=
17mn
70m2n
3m2n
-70mn
Answer explanation
Se multiplican los coeficientes y en el resultado anotas las dos letras tal cual aparecen en la operación, por ser diferentes.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve la operación:
-5x4(4x2+9y)=
20x+9y
-5x4(4x2)
-20x6-45x4y
9x6+14xy
Answer explanation
Se debe multiplicar el término de la izquierda por cada uno de los términos que están dentro del paréntesis, al final se juntan los resultados.
-5x4(4x2+9y)= -20x6-45x4y
-5x4(4x2)= -20x6
-5x4(+9y)= -45x4y
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