Página — Matematica 8 (pág. 137)

5.a.-31b.6C.-1d.212e.0f6

Página 12

6. a. Repuestas variadas, dos posibles respuestas son:1 y-10;2 y-5.

b.-24

C.25

d. Repuestas variadas, dos posibles respuestas \sin:2y3;-2y-3

e.-52

f.0

g. Repuestas variadas, dos posibles respuestas \sin:8y-2;-16y4

h.-35

7.a.64,16,-4,2,-1 b.20,-40,-160,320,-640 -729,-243,-81,-27,-9

Página 13

8. a. Retiró 24000 cada dia.b. El monto será de -20 250.c. Se registró a las 16:00 horas.d. El divisor es–5.

Página 14

Evaluación Lección 1

2.a.C b.C

C.B d.C

Página 15

3.a.6b.-3C.0d.25

4. a. La temperatura máxima del dia fue de 4 oC.

b. El buzo descendió 9 m.

Página 16

Lección2Números enteros

El conjunto de los números racionales

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C.

3.a.= b.<C.>d.>e.=

f. <g.<h.>i.<j.>

Página 17

4.Respuestas variadas, en cada caso se muestran dos posibles respuestas:

a.\frac{7}{15}>\frac{4}{15}y\frac{3}{5}>\frac{1}{3} b.\frac{35}{6}<\frac{37}{6}\times\frac{16}{3}<\frac{17}{3} C.\frac{101}{144}<\frac{104}{144}\times\frac{7}{36}<\frac{14}{18} d.\frac{39}{10000}>\frac{38}{10000}\times\frac{79}{20000}>\frac{77}{20000} e.-\frac{93}{20}<-\frac{91}{20}y-\frac{9}{2}<-\frac{43}{10} f.-\frac{46}{105}>-\frac{47}{105}y-\frac{10}{21}>-\frac{11}{21} -\frac{1341}{1000}>-\frac{1343}{1000}\times\frac{671}{500}>-\frac{269}{200} -\frac{139}{90}<-\frac{138}{90}y-\frac{41}{30}<-\frac{61}{45}


a	b	a.b	a:b
0	3	0	0
-4	2	-8	-2
-2	-1	2	2
-9	"	-27	-3
-15	-5	75	3

<html><body><table><tr><td>Número</td><td>=1</td><td>5</td><td>0,6</td><td>-\frac { }$01.511,97Numero naturalNúmero enteroLNúmero racional-C

Solucionario

135