COLEGIO DE BACHILLERES DE CHIAPAS
EXAMEN DE MATEMÁTICAS III.
Instrucciones: Subraya la respuesta correcta de los siguientes problemas según sea cada caso.
1.
A) (-3,1), (4,-2)
B) (-3,4), (1,-2)
C) (1,-3), (-2,4)
D) ( 3, -1), (-4,2)
2. El punto (2,6) es un extremo del segmento cuyo punto medio es (3,3). ¿Cuáles son las coordenadas del otro
extremo del segmento?
A) P(0,4) B) P(4,0) C) P(0,3) D) P(2,4) E) NINGUNA DE LAS ANTERIORES
3. Encontrar la distancia que existe entre los puntos dados una vez que se haya graficado en el sistema de ejes
coordenados A(2,1); B(7,2)
A) 6 unidades B) 10 unidades C) 5.5 unidades D) 5.09 unidades
4. Dado las coordenadas de los vértices del triángulo: P(-4,1), Q(-1,3) R(3,-3)
Hallar:
a) Demuestra que los vértices corresponden a un triángulo rectángulo
b) los ángulo interiores
c) área
El procedimiento y respuestas se encentran en la pagina siguiente
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