
Inecuaciones
Authored by Juan Castillo
Mathematics
9th Grade
Used 11+ times

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10 questions
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1.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
La solución de una inecuación de primer grado es un ...................... de números.
Answer explanation
La solución de una inecuación de primer grado es un intervalo de números, a diferencia de las ecuaciones de primer grado que es un único número.
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
" 4x+1 ≤ 2 " es equivalente a " 2 ≤ 4x+1 "
Verdadero
Falso
Answer explanation
No es equivalente estas dos expresiones.
Porque, una propiedad de las inecuaciones dice que:
Si A<B entonces B>A
Si A>B entonces B<A
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
" 2x + 3 < 1 " es equivalente a " 1 > 2x +3 "
Verdadero
Falso
Answer explanation
Sí es equivalente estas dos expresiones.
Porque, una propiedad de las inecuaciones dice que:
Si A<B entonces B>A
Si A>B entonces B<A
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
" 2x ≤ 18 - x " ¿Cuál es la solución de la siguiente inecuación?
x ≤ - 6
(-∞, -6]
x ≤ 6
(-∞, 6]
x ≤ - 1/ 6
(-∞, -1/6]
x ≤ 1/ 6
(-∞, 1/6]
Answer explanation
2x ≤ 18 -x
2x + x≤ 18
3x ≤ 18
x ≤ 18/3
x ≤ 6
(-∞, 6 ]
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cúal es el conjunto solución de x en la inecuación?
3(2x+3)+x-3>2x-4
x<3
(-∞,3)
x<2
(-∞,2)
x>-2
(-2, +∞)
x>-3
(-3, +∞)
Answer explanation
Explicación
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cúal es el conjunto solución de x en la inecuación?
5(10x+2) ≤ 2(20x-10)
x ≥-3
[-3, + ∞)
x ≥ 3
[3, + ∞)
x ≤ 3
(-∞ , 3]
x ≤-3
(-∞ , -3]
Answer explanation
Explicación:
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es el conjunto solución de x de la siguiente inecuación?
3x-5[ 3(x+5) ] ≤ 5(x+2)
x ≥-5
[ -5 , +∞)
x ≤ -5
( -∞ , -5]
x ≥ 5
[ 5 , +∞)
x ≤ 5
( -∞ , 5]
Answer explanation
Explicación:
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