
Práctica de homotecia
Authored by Alberth Rodríguez Jirón
Mathematics
8th Grade

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es la razón de proporcionalidad “k” del ∆ABC con
respecto al ∆A ́B ́C ́?
k=2
k=1/2
k=-2
k=-1/2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es la razón de proporcionalidad “k” del ∆ABC con
respecto al ∆A ́B ́C ́?
2
1/2
-2
-1/2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
De acuerdo con los datos de la figura, el cuadrilátero
EFGH con respecto al cuadrilátero ABCD representa una
homotecia de razón:
k = 2
k = 6
k = 1/2
k = 1/3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si se transforma el ∆ABC cuyos vértices son A(0 , 0), B(0 , 2)
y C(−1 , 1), mediante una homotecia centrada en el
origen de coordenadas y de razón k = 3, entonces,
¿cuáles son las coordenadas del vértice homólogo con
C(−1 , 1)?
(3, 3)
(3, 6)
(-3, 3)
(-3, -3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si se transforma el ∆ABC cuyos vértices son A(−1 , 1), B(1 , 3)
y C(2 , 2), mediante una homotecia centrada en el origen
de coordenadas y de razón k = −2, entonces, ¿cuáles son
las coordenadas del vértice homólogo con A(−1 , 1)?
(2, -2)
(-2, 2)
(-4, 4)
(-2, -6)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La razón de proporcionalidad “k” del ∆ABC con respecto
al ∆DEF, corresponde a:
k = 4
k = 1/4
k = -4
k = -1/4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada la transformación del ∆ABC, ¿cuál es la imagen de
“C”?
D
E
F
G
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