
Práctica 8 - Desigualdades e inecuaciones
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Mathematics
University

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determina el valor de verdad de las siguientes proposiciones:
I. Si x ≤ 0, entonces x2 ≥ 0 II. Si x > 0, entonces x + 1/x ≥ 2 III. Si 2 ≤ x ≤ 5, entonces ½ ≥ x ≥ ⅕
VVF
VFV
FVV
VVV
FFV
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcula la suma de valores enters que verifican la desigualdad 1 + x < 3x - 1 ≤ 9 + x.
11
12
15
14
13
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x ≤ -17
x ≥ 17
x ≤ -21
x ≥ 21
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
2
27/35
-2
0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si x ≥ 5, halla el conjunto solución de 3(x- 1) ≤ 2x + 5
[5; 8[
]5; 8[
[5; 8]
∅
ℝ
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resuelve x + 4(x -2) < 4x - 3(x - 1)
x < 4
x < 11
x > 3/4
x < 3
x < 11/4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
[13/3; ∞[
]-∞; 1/3[
]13/3; ∞[
]-∞; 12/7[
]-∞; 13/3[
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