Desarrolla la expresión utilizando igualdades notables:
(5X+2)2
Prueba inicial 4º ESO Académicas
Quiz
•
Mathematics
•
10th Grade
•
Hard
juan garcia
Used 27+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desarrolla la expresión utilizando igualdades notables:
(5X+2)2
25X2+4+20X
5X2+4+20X
5X2+4
10X2+4
5X+4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desarrolla la expresión utilizando igualdades notables:
(3X+2)2
9X2+4+12X
3X2+4+12X
3X2+4
10X2+4
3X+4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desarrolla la expresión utilizando igualdades notables:
(4X-1)2
16X2+1-8X
4X2-1+8X
4X2-1
16X2-1
4X-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desarrolla la expresión utilizando igualdades notables:
(4X+3)(4x-3)
16X2-9
16X2+9
16X2+9-24X
16X2-3
4X+6
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Resuelve la siguiente ecuación de segundo grado:
(X-2)2-4=0
X=0
X=4
X=-4
X=2
X=-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve el siguiente sistema de ecuaciones lineales:
3X+2Y=4
X -3Y=5
X=2, Y= -1
X=2, Y=1
X=1, Y= -2
X=3, Y=1
X= -2,Y= -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada la función Y= -3X+2 indica cuál es la pendiente.
3
-3
2
-2
-2/3
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