La expresión ¨el cubo de un número, mas el cuadrado de un segundo , por el doble de un tercero¨, se escribe en lenguaje algebraico:
Evaluación diagnóstica de matemática para 4to de secundaria

Quiz
•
Mathematics
•
10th Grade
•
Hard
Yudelka Brito
Used 14+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El resultado de reducir los términos semejantes de la siguientes expresión es:
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A = 2x2 – 5xy + 3y2 B = 8xy + x – y + 5 C = 4x² – 16xy – 6x + 8y – 12
El resultado de sumar A+B+C es:
– 2x² + 3xy + 3y² + 5x – 7y + 7
6x2 – 13xy + 3y2 – 5x + 7y – 7.
6x2 – 29xy + 3y²– 7x + 9y – 17
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Al factorizar el polinomio 15m2 n + 9m3 n4 – 12m4 n3 , se obtiene:
(14s2 t3 – 9u4 ) 2
3m2 n (5 + 3mn3 – 4m2 n2 )
2x3 yz(8xy2 z – 5yz3 + 9x2 )
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Es un trinomio cuadrado perfecto:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La diferencia de los cuadrados de dos cantidades divididas entre la diferencia de estas cantidades , es un :
Producto notable
Cociente notable.
Cubo de un binomio.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El resultado de desarrollar el producto notable (3xy-5z)2 es:
9x2y2 - 30xyz + 25z2
9x2 -4y2
x3 -9x2y+27xy2 -27y3
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