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Evaluación
Autor :
Aracely Garcia Romero
1.
P1 (-2, 1) y P2 (3, - 4), r = -8/3.
A.
P (-2, -3)
B.
P (4, -3)
C.
P (6, -7)
2.
P1 (4, - 3) y P2 (1, 4), r = 2.
A.
P (2/3, 5/3)
B.
P (2, 5/3)
C.
P (-2/3, -1)
3.
P1 ( 5, 3) y P2 (- 3, - 3), r = 1/3.
A.
P (3, 3/2)
B.
P (3, 2)
C.
P (-3/2, 2)
4.
P1 (-2, 3) y P2 (3, - 2), r = 2/5.
A.
P (-3/5, 4/5)
B.
P (7/3, -2/3)
C.
P (-4/7, 11/7)
5.
P1 (- 5, 2) y P2 (1, 4), r = -5/3 .
A.
P (10, 7)
B.
P (-3, 10)
C.
P (-4/7, 11/7)
6.
Sabiendo que el punto (9, 2) divide al segmento que determinan los puntos P1 (6, 8) y P2 (x2, y2) en la razón r = 3/7. Hallar las coordenadas de P2.
A.
P2 (12, -4)
B.
P2 (16, -12)
C.
P2 (11, -7)