1) Al simplificar 3x + 5y + 8x + 10y, se obtiene:
Prueba de 8vo grado

Quiz
•
Mathematics
•
8th Grade
•
Hard
Gloria Romero
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
11x+ 15y
11x- 15y
26xy
13x+ 15y
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
2) Al resolver la multiplicación (3x)(2y) se obtiene:
6x
6y
6xy
5xy
3.
MULTIPLE CHOICE QUESTION
5 mins • 15 pts
3) Al resolver la multiplicación (3x2) (6x) se obtiene:
18x
4.
MULTIPLE CHOICE QUESTION
5 mins • 15 pts
4) La solución de la multiplicación (x -2)( x+2) es:
x-2
x2 - 4
x+2
(x+2)2
5.
MULTIPLE CHOICE QUESTION
5 mins • 15 pts
4x - 3
6.
MULTIPLE CHOICE QUESTION
5 mins • 15 pts
Al efectuar la ecuación de primer grado 5x - 6 = 14 , el cociente obtenido es:
6
4
7.
MULTIPLE CHOICE QUESTION
10 mins • 20 pts
Elías tenía 20 bolas, unas rojas y otras azules. Si pierde 4 bolas de cada color, entonces el triple del número de bolas azules equivaldría al número de bolas rojas. ¿Cuántas bolas rojas tenia?
13
12
4
10
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