Repaso 1ª evaluación Matemáticas 4º ESO

Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
Used 6+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indica cuál de los siguientes números no es un número irracional
Pi
-2
Raíz cuadrada de 5
Dos tercios de pi
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Durante la campaña de Navidad, una tienda de electrónica sube los precios un 21%. En Enero, con las rebajas, hace un descuento del 19% en todos los artículos. Un artículo que costaba 645€ antes de Navidad:
a) ¿Cuánto cuesta durante la campaña de Navidad?
b) Un artículo valía 420€ en noviembre. ¿Cuánto costará en Enero?
a. 781,46€ ; b. 412,63€
a. 780,45€ ; b. 411,64€
a. 779,48€ ; b. 410,65€
a. 778,43€ ; b. 413,62€
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Resuelve las siguientes operaciones con logaritmos:
log51 + 2 log55
4
5
3
2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Halla el valor de la incógnita (x) en la siguiente ecuación logarítmica:
log x - log 4 = log 3
7
12
14
4/3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desarrolla la siguiente igualdad notable:
(3x2 + 1) · (3x2 - 1)
9x2 -1
9x4 -1
6x4 -1
6x2 -1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Encuentra la igualdad notable de la que proviene este desarrollo:
4x2 + 9y2 - 12xy
(2x3 - 3y2)
(2x - 3y)3
(2x - 3y)2
(2x2 - 3y2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula:
(2x5 - 7x2 + 3x - 1) : (x3 - 2x2 + 1)
C(x) = 2x2 + 4x - 8 ; R(x) = 7x2 + x - 9
C(x) = 2x2 - 4x + 8 ; R(x) = 7x2 - x + 9
C(x) = 2x2 + 4x + 8 ; R(x) = 7x2 - x - 9
C(x) = 2x2 - 4x - 8 ; R(x) = 7x2 + x + 9
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