Σημειώσεις Β΄ Γυμνασίου σε word
Transcript of Σημειώσεις Β΄ Γυμνασίου σε word
-
lisari.blogspot.gr : M K
:
(27/12/2016):
2016 - 17
-
lisari.blogspot.gr : M K
-
1: -
1.1 -
1. ;
2. ;
1.
:
i. 10
0.20 .
ii. laptop
23% ...
2. :
i. 3 2 5 7x y x y
ii. 8 3 5 2x z x x
iii. 7 15 26 12x y x y
3.
x=1 y=-2:
3 2 2 2x y x y 2 3 4x y x y
-
lisari.blogspot.gr : M K
1.2
1. ;
2. ;
3. ,
;
i. 2 5 2 7x x
ii. 3 2 1 2 1x x x
iii. 2 1 5x
1. :
1) 8 2x x
2) 3 21 5 8x x
3) 7 6 3 6 4y y y
4) 3( 1) 3 2
5) 6 3(2 1) 2 2(2 1) 1t t t t
6) 6(2 ) 3 3 2( 4)x x
7) 3 5 1
35 10
x x
8) 4 3 3 10 5 1
52 3 5
x x x
9) 1 3 2
3(2 ) 3 22 4
x xx x
10) 7 1 3
24 2
x xx
7 1 3 52
4 2 4
x x xx
2. 3 5 2 1 5 19
26 9 18
x x x
2 3 3 4 3 2x x x
-
lisari.blogspot.gr : M K
3. 10 .
2 2 3( 2) ( 12)y y y
4. 2x = 7 + 10x , x
.
.
5. 1 1 1
2 3 3
xx
.
1.3
1. :
i. x+y=, y.
ii. 1 1 2 2P V P V , 2V
iii. 201
2S u t gt ,
0u
iv. s
ut
, s.
v. P p g h , h.
1.4
1.
;
1. 3 12.
-
lisari.blogspot.gr : M K
2. 8 ,
6 .
2 ;
3. .
160m .
4. 1
3
1
4
. 30
.
1.5
1.
2. ;
3. ()
() .
i. -3 3 1x .
ii. 0 5x x .
iii. 0 0x .
1. :
i. 2 4 3 4 18x x x
ii. 3 2 4 5
6 4 3
x x
iii. 3 3 2 7 4 1x x x x
iv. 2 1 1
3 2 3
x x xx
2. :
-
lisari.blogspot.gr : M K
i. 4 5 7 3
32 6
x x
33
4 2
x x
ii. 2 9 5 6x x 2 1 4 3
3 2 2 4
x x x x
iii. 7 2 1 3 4x x x 2 10 2 3
3 6 2
x x x
iv. 2 3 10 1 3 5x x 2 1 5 3 2
3 4 6
x x x
v. 2 12 5
x x
3 1 31
4 3 2
x x
vi. 3 2 2 1x x x 3 7 3 7
5 2 2
x x x
3. : 5 2 18x x .
204
5 2
x x .
-2 20
;
4. : 3 1 7 1
2 4
x x (1).
1 3 2 2 5
2 6 3
x x x
. (1) ;
5. : 2
23
xx
1
1. .
i. 5
1
2
1
x
ii. 3
1
2
xx
iii. xx
52
42
-
lisari.blogspot.gr : M K
iv. 4
3x
x
v. )2(1)3()2(2
1 xxx
vi. 2
3
6
1)3(
2
1
3
1 xxx
vii. 7
46
2
13
xx
x
2. :
i. 2 1
13
xx
1 1 1
2 3 6
x x
ii. 9 4(3 1) 10 ( 1)x x x x 1 2 1 1 2
53 2 2 6
x x xx
iii. 3 6 0x 2 1 5 4x x
iv. 3( 1) 5 2
12 2 3
x xx
1 2 1 21
2 3
x xx
3. :
3 1 93 1
2 3
x xx
4. ,
=2(-1)+8 ;
5. -2 12
xax ,
=0. =0
2 3 11
3 6
x xax x
.
6. 12.
38. ;
-
lisari.blogspot.gr : M K
7. 3 2x a x ,
5.
8. 12
xx
i. .
ii. x
-
lisari.blogspot.gr : M K
2
2.1
1. ;
2. ()
() .
1. 25 5
2. 4 2
3. 81 9
4. 16 8
5. 2
4 4
6. 2
5 5
7. 2 ,
8. 0 0
1. :
i. 7 4
ii. 26 81
iii. 70 31 25
iv. 17 4 3 1
v. 2 2121 5 ( 13)
2. :
-
lisari.blogspot.gr : M K
i. 2 215 6
ii. 25 81
iii. 2
2
3
iv. 121
225
2.2 -
1. ;
2. ;
3. ;
4. ;
5,2822882
5,2822882822...
9
2
16
25
1. :
i. 2 3x
ii. 2 5x
iii. 2 17x
-
lisari.blogspot.gr : M K
iv. 2
63
x
v. 2 49x
2.
:
-12, -3,-0.1, 12 , 16 , 5 , 2
2
2.3
1.
2 3 :
2. .
: 3
2
.
.
=4cm.
-
lisari.blogspot.gr : M K
3
3.1
1. ;
2. ;
1. 3 2y x . .
x 5
y 4 -14
x -3 -1 0
y
2.
2 1y x .
x 0 3
y -1 8
x -2 1
y 3 2
3. y ax .
.
x 0 1
y 2 5
-
lisari.blogspot.gr : M K
3.2 -
1. ;
2. ;
3. ;
1.
:
-9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10
-9
-8
-7
-6
-5
-4
-3
-2
-1
1
2
3
4
5
6
7
8
9
x
y
-
lisari.blogspot.gr : M K
-9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10
-9
-8
-7
-6
-5
-4
-3
-2
-1
1
2
3
4
5
6
7
8
9
x
y
2.
:
i. (0,1)
ii. (-2,0)
iii. (0,-3)
iv. (5,0)
v. (2,5)
vi. (4,-6)
vii. (-2,1)
viii. (-3,-7)
x
y
-
lisari.blogspot.gr : M K
3. x 3 5,1 2 x x :
i. xx.
ii. yy.
iii. xx.
iv. yy.
4. x y
, 2 x x y
2 1, x y .
5. 3,2
:
i. xx.
ii. yy.
iii.
6. :
i. 5,7 2,3
ii. 7,3 5, 2
iii. 5, 7 0, 5
7. 3,15
2 3 y ax .
8. 3 2, 1
5 3 y x .
9. 0,3 2,1
y ax .
10.
, :
-
lisari.blogspot.gr : M K
i. 0
ii. 0
iii. 0
iv. 0
v. 0
vi. 0
vii. 0
viii. 2
11. 2,3 , 5, 1 2,6 .
.
3.3 y=x
1. y=x;
2. y=x;
3. ;
;
4. 3y x :
x 1 3 0
y 6
5. x y
-
lisari.blogspot.gr : M K
x 3 5 7,5
y 5 3 2
x 9 15 27
y 3 5 9
1. x,y.
i.
ii. y x.
x 1 1,3 2,4 3,7
y 3 3,9 7,2 11,1
2. N :
i. 2y x
ii. 3
5y x
iii. 3y x
3.
3,3 . i.
.
ii.
xx
-
lisari.blogspot.gr : M K
4. 40% .
i. x
y
.
x
50 30 70 20 40 100
y
ii. y x.
iii.
.
5. 1 2 3, 4, , .
.
1 3y x
2 2y x
3 0,4y x
4 1
2y x
1,3y x
-
lisari.blogspot.gr : M K
3.4 y ax
1. y ax
0 .
2. y ax ;
1. 2 3y x .
2. 2 1y x 1x .
-
lisari.blogspot.gr : M K
3. 3 2y x 1 2x .
4. (3 1) 2y a x
(-2,2)
i.
ii.
x -2 -2 0 1 2
y
-
lisari.blogspot.gr : M K
iii. .
5. 10%.
i.
.
ii. 1300
.
6. ) 2y x ,
(-7,-12) .
)
:
i. 1
12
y x
ii. 3 2y x
iii. 0,5y x
iv. 3y x
v. 3 2y x
7. ( ) 2 5f x x .
i. ( ) ( 2) (2 1)A x f x f x
ii. ( ) 0A x
8. () (2 1) 3 2y x .
5 7y x
(-1,6) ,.
9. : 5 4y x :
i. xx
ii. xx
-
lisari.blogspot.gr : M K
3.5 a
yx
-
1. ;
.
2. a
yx
;
3.
x 3 6 8 12
y 8 4 3 2
x y ;
.
1. :
i. 4
yx
ii. 2
yx
iii. 0,5
yx
2.
3 2
yx
2 4 .
3. 400km 6 .
5 ;
-
lisari.blogspot.gr : M K
4. a
yx
i. .
ii.
a
yx
-
lisari.blogspot.gr :
:
1: -
1.1
1. ?
1.
:
. .
-
lisari.blogspot.gr :
1.2
1. ;
2. :
:
i. 2m 2cm , ........................ .
ii. 2dm 2mm , ........................ ........................ .
iii. 2cm 2m , ....................... ............................ .
iv. ...... 2m , 100.
v. 2mm ............ , 10.000.
vi. ..... 2m , 1.000.000 .
vii. 2km ....... , 1000.
1. :
2Km 2m 2dm 2cm 2mm
2,03
2,36
3,4
523,4
0,034
213
0,03
2. :
213.000cm , 2123dm , 21,2m , 3,5 , 22.500m .
-
lisari.blogspot.gr :
1.3
1. :
i. .
ii. .
iii. .
iv. .
v. .
2. :
i.
.. .
ii. ..
3. :
A B
)
:
) 216cm .
:
=8cm =4cm
.
)
=12 ,
=8 =5 :
E=12 E=10 E=50
)
:
=2 =
2 =
2
-
lisari.blogspot.gr :
1. 5cm 12cm.
.
2. 6cm.
3. 8cm
4 cm . 1cm. .
4. 12cm 5
cm.
5. 12cm
5 cm.
6. 8cm
1
4 . .
7. 16cm2.
.
8. =8 =4.
24cm2. .
9. 18 cm.
. ,
.
1.4
1. .
2. .
12cm, 13cm 5cm
.
-
lisari.blogspot.gr :
1. x.
2.
3
2
.
3. =4, =9, =6.
.
4.
. :
i. 2 2 2 2 2 2
ii. 2 2 2 2
15
x x+9
A
B
-
lisari.blogspot.gr :
5. =4cm.
.
6. :
i. .
ii. .
7. 90 , ==10cm =16cm.
B
A
39m52m
33m56m
A
B
-
lisari.blogspot.gr :
.
8. =20m =21m.
=5m, .
9. :
90 .
10. 90 , =4cm =3cm. :
i. .
ii. .
iii. .
11.
10,14 2cm .
i. .
ii. .
iii. .
10cm
10cm
8cm
A B
-
lisari.blogspot.gr :
12. (=) 3,6dm
=10cm. .
13. : 90 ,
=12cm, =20cm =37cm.
, .
3,3cm 5,6cm
3,9cm
A
B
-
lisari.blogspot.gr :
2 -
2.1 .
1. ;
2. y=2x.
;
.
3. =-0,5;
1. =12cm =13 cm
.
2. ( 90 ) =5 cm
=3cm.
+1=;
3. ( 90 ) :
30 , 135 =5cm.
:
i. , ,
ii. , .
4.
28B .
-
lisari.blogspot.gr :
15 ( ) :
i. .
ii. .
5. 90 35 =10cm.
.
6. . =10, =6, =21
.
7. =4cm. 3
3
.
2.2
1. ;
2.
;
3. :
i. : ..... .....
ii. : .... ....
-
lisari.blogspot.gr :
iii. ....
....
iv. ....
4.
.
1.
-
lisari.blogspot.gr :
2. 90 =12cm =13cm
.
3. 90 =6cm =10cm
.
4. 90 =12cm =13cm
:
i.
ii.
iii.
5. 90 10cm
4
5 . :
i.
ii. ,
6. : 64 2 36 ,
24 2006
16 2 25 49 1 .
i.
ii.
iii.
.
7. 90 =0,8 =9.
.
8. ==10cm =0,8.
:
i.
ii.
-
lisari.blogspot.gr :
iii.
9. 90 =16cm =20cm.
:
i.
ii. .
10. 90 =1cm =2cm
i. 3 cm
ii.
iii. 24 3 3 6
2.3 ,
1.
:
i.
ii.
2. :
i. 54 .... 35
ii. 49 .... 29
iii. 48 .... 84
iv. 18 .... 38
v. 38 .... 62
3. , :
-
lisari.blogspot.gr :
-
lisari.blogspot.gr :
iv. 60 30
v. 45 1
vi. 60 2 30
1. :
i. 2 260 30 30
ii. 60 2 30 30
iii. 260 2 30 1
iv. 260 1 2 30
v. 2 45 30 60
vi. 2 2 230 60 45
2.
2800m. 3m/s.
30 .
9 ; .
3. 90 , 30 , 60
5cm . , .
-
lisari.blogspot.gr :
4. =12 cm 30 . :
i. .
ii. 37
iii. , .
5. 90 , 30 , =3cm
=4cm. , .
-
lisari.blogspot.gr :
6.
=3cm, =4cm 3
3 . :
i.
ii.
iii. .
7. 30 , 10cm
20 .
.
-
lisari.blogspot.gr :
8. =60m, B=100m 60 .
, ,
.
9. : 45 , 30 =4cm. :
i. .
ii.
iii. .
10. ,
.
-
lisari.blogspot.gr :
-
lisari.blogspot.gr :
3
3.1
1. (
);
2.
,
;
3. ;
4. ,
x . = =x;
.
1. :
, , .
-
lisari.blogspot.gr :
2. x,y,,
:
3. (,) 10x ,
30x , 3 50x 70 .
i. , , , .
ii. , , , .
iii. ;
4.
.
5. x, y
.
-
lisari.blogspot.gr :
6.
=6cm =8cm:
i. ;
ii.
.
7. 30 =3cm.
:
i.
ii. .
8.
, , .
9. 90
=6cm =10cm.
. :
i.
-
lisari.blogspot.gr :
ii. .
10.
x,y,B
:
11.
:
12.
.
-
lisari.blogspot.gr :
13. 180
=10cm, =6cm, =8cm.
3.2
1. ;
2. ;
3. ;
4.
;
1. 12-. :
i. .
ii. .
2. 24-.
-
lisari.blogspot.gr :
3.
45
4.
4
3 .
5.
. .
6. 4cm.
:
i. .
ii. .
7. :
i. 15
ii. 14
iii. 140
3.3
1. (,). .
2. () ()
.
1) L
(,) L
-
lisari.blogspot.gr :
2)
.
3)
.
4) 2
L
, L
.
1. =6cm, =10cm
=8cm.
i. .
ii. .
iii. .
2. =3cm =4cm.
i. .
ii. .
iii.
.
3. 80cm.
-
lisari.blogspot.gr :
25Km.
4. =6cm
==.
.
5.
113,04 2m
3.4
1. l ;
2. ;
3. l /rad;
4. ;
5. :
30 90 120 135
4
3
5
6
-
lisari.blogspot.gr :
3.5
1. ;
2. 2
4
1. =6, =8, 80 100 .
i. .
ii. .
iii.
.
2. 31,4cm . :
i. .
ii. .
3.
=12cm A=13cm
.
-
lisari.blogspot.gr :
4. .
5.
=6cm =8cm:
6. =4cm =6cm:
i.
.
ii.
.
iii.
.
iv.
.
-
lisari.blogspot.gr :
7. =6cm =2
=5cm. :
i. .
ii.
.
iii.
iv.
v.
.
8. =10cm =30cm
20mm. :
i.
ii. .
9. (,).
=6cm =8cm.
i.
ii.
iii.
.
10. 25.12 cm.
.
-
lisari.blogspot.gr :
11. 90 =15cm =9cm.
.
i. =12cm
ii.
12. R=6cm 30 .
:
i.
ii.
iii.
iv.
v.
vi. .
13. , =0,2m =10cm
i. =10cm 60
ii.
-
lisari.blogspot.gr :
14. :
i.
ii.
iii.
M K M K