Algebra (Horizon 2016)
-
Upload
christian-karl-t-borela -
Category
Documents
-
view
216 -
download
0
Transcript of Algebra (Horizon 2016)
-
7/26/2019 Algebra (Horizon 2016)
1/22
1
01
: T P R C A E P.
M: 1. T A E . 2. T . 3. S , .
ALGEBRA
R: E. R R. R
ARITHMETIC PROGRESSIONT:
1 2 3 4 5 = + + 2 + 3 + 4
daan 4+=dnaan )1( +=
dnaan )1( +=
( )[ ]dnan
S 12
2
+=
( )naan
S +=2
1. H 3, 5, 7, 9, . . . 3,192?G:
= 3 = 2
S = 3192R:
S:
( )[ ]dnan
S 122
+=
( )[ ]dnanS 122 +=
-
7/26/2019 Algebra (Horizon 2016)
2/22
2
[ ])2)(1()3)(2()192,3)(2( += nn
nnan 222384,6 2 +=
nnn 22)3)(2(384,6 2 +=
nnn 226384,6 2 +=
224384,6 nn +=
0192,322
=+ nn
0)57)(56( =+ nn
56=n
2. 4, 9, 14, 19, . . . 15 ?
G:
= 4
= 5
= 15
R:
S
S:( )[ ]dna
nS 12
2+=
( )[ ])5(115)4)(2(2
15+
=S
585=S
3. F 20 A 5, 8, 11, 14, . . .
G5
1=a
= 3
= 20
S:dnaa
n )1(1 +=)3)(120(5
20 +=a
62
20 =a
-
7/26/2019 Algebra (Horizon 2016)
3/22
3
4. T A P 250 10. I 40,
.
G:
1= 10
= 40
S = 250
R:
S:
( )naan
S += 12
104010
)250)(2(2
1
=+
=+
=
naa
Sn
5. A 1 9 . T 21. F 9
M 5..
G:
1= 15= 21
= 9
R:
S
S:daa 4
15 +=
5
4
121
4
15=
=
=
aad
( )[ ]dnanS 122 1 +=
[ ] 189)5)(19()1)(2(2
9=+
=S
6. T 5 A P 17 3 10. F 8 .
G:
5= 17
3= 10
R:
8S:daa 4
15 +=
da 4171+= E.
daa 213 +=
da 210 1 += E.
-
7/26/2019 Algebra (Horizon 2016)
4/22
4
C E :da 417 1 +=
da 210
1+=
d27=
2
7=d
F E. :da 417
1+=
da 4171 =
3
2
7)4(17
1 =
=a
2
55
2
496
2
7)7(3
8 =
+=
+=a
7. T A 2 6 12. F 12 .
G:
1= 26= 12
= 12
R:
S
S:daa 5
16 +=
2
5
212
5
16=
=
=
aad
[ ] 156)2)(112()2)(2(212
=+
=S
8. T 5 A P 15 1 3. 12 ?
G:
5= 15
1= 3
= 12
R:daa 415 +=
34
315
415 =
=
=
aad
[ ] 234)3)(112()3)(2(2
12=+
=S
9. D 6 A 8 16 4 8.
G:
8 = 16
-
7/26/2019 Algebra (Horizon 2016)
5/22
5
4= 8
R:
6S:
daa 718 +=da 716 1 += E.
daa 314
+= E.
da 38 1 += C E. :
da 716 1 +=
da 381+=
d48 =2=d
F E. :da 716 1 +=
da 7161 =
2)2)(7(161 ==adaa 516 +=
12)2)(5()2(6 =+=a
10. 5 8 A 1 1
4 5.
G:
1= 1
4= 5
R:58
aa
daa 314 +=
2
3
)1(5
3
14=
=
=
aad
13)2)(7(17
18 =+=+= daa
7)2)(4(14
15 =+=+= daa
T:671358 == aa
11. T 7 7 39. F .
G:
1 = 7
7 39
= 9
-
7/26/2019 Algebra (Horizon 2016)
6/22
6
R:
S
S:
( ) 207)397(2
9
2 1
=+
=+= naa
nS
12. A PP40,000 J, C D,
A . C 3 J. H ?
S:
A B C A P
L:
A = J
B = C
C = D
B A = C B
2B = A + C
A 2B + C = 0 E.
B,
A + B + C = 40,000 E.
C E. E. .
A 2B + C = 0
A + B + C = 40,000
3B = 40,000
B = PP13,333.33
S,
B = 3A
44.444,43
33.333,13
3PhP
BA ===
F E. :
C = 40,000 (A + B)
= 40,000 (4,444.44 + 13,333.33)
C = PP22,222.23
13. F 100 1,000 9.
G:
1 = 101 = 999
= 2
R:
9
S
-
7/26/2019 Algebra (Horizon 2016)
7/22
7
S:dnaa
n )1(1 +=
4501
2
10199911 =+
=+
=
d
aan n
( ) 500,247)999101(2
450
2 1 =+
=+= naa
nS
500,279
500,247
9==
S
14. F 30 .
G:
1= 2
= 30
= 2
R:
S
S:
[ ] [ ] 930)2)(130()2)2(230)1(2
2 1
=+
=+= dnanS
1. 50 3, 5, 7, 9, . . .?
A. 50= 101
2. 50 5, 8, 11, 14, . . . ?
A. S = 2,600
3. 30 15, 13, 11, 9, . . .?
A. 30 = 43
4. A 220 10. I 30, .
A. = 11
5. T 10 A P 28 1. D 5
7.
A. P = 247
BINOMIAL THEOREM
B E F
nnnn
nnb
bannnbannbnaaba ++
+
++=+
...!3
)2)(1(
!2
)1(
!1)(
33221
T B E
))!1(
)2)...(2)(1( 11
+ +
r
barnnnn rrn
-
7/26/2019 Algebra (Horizon 2016)
8/22
8
))!1()!1(
! 11
+
+
rrn
ban rrn
: = =
M B E
12+=nr
S E
nnS )1( += ( )
E:224
2 yyxx ++
S = 4 + 2 + 1 + 2 = 9
C:
nnS )1( += ( )
92
12)2)(12( =
++=S
S C) S =1
16)11()( 44
=+=+yx
) 65)2()21()2( 444
=+=+x
C
mmn
yx
!)!(
!
mmn
nk
=
E:12)( yx+
75yx
!7!5
!12
)!7()!712(
!12
!)!(
!=
=
=
mmn
nk
1. F 5
6
)2( x
.G: = 6 = 5 = 2 =
R:5
-
7/26/2019 Algebra (Horizon 2016)
9/22
9
S:
4421515611
60)!4)(!2(
)()2)(!6(
)!15()!156(
)()2)(!6(
)!1()!1(
!x
xx
rrn
ban rrn
=
=+
=
+
++
2. 3 5
)26( y+ ?
G:
= 5 = 3 = 6 = 25
R:N 3
S:
8640)!2)(!3(
)2()6)(!5(
)!1()!1(
! 2311
==+
+y
rrn
ban rrn
3. 6
)( ba+ ?
S:
64)11()( 66
=+=+ba
4. F 9
)34( x , ?
G: = 9
R:S
S:nnS )1( += ( )
452
01)9)(19()1( =
++=+= nnS
5. F 222)( yx + , ?
G: = 2
R:S
S:4224222
2)( yyxxyx ++=+ ( )
S = 4 + 2 + 2 + 4 = 12C:
S nn )1( += ( )
-
7/26/2019 Algebra (Horizon 2016)
10/22
10
122
22)2)(12( =
++=S
6. F 6
16
32
1
a .
G: = 1/6
= 6 = 1/2 = 3
R:
6
S:
11
5111616161181.192,62
)!5)(!11(
)3()2/1()!16(
)!16)()!1616(
)3()2/1)(!16(
)!1()!1(
!
a
aa
rrn
ban rrn=
=
+
=
+
++
P:
1. F 6 6
)4( x .
A. 524x
2. 4 7
)3( y+ .
A. 2,835
3. 7 7
)21( y+ .
A. 448
4. F 5
)( ba+ .
A. 32
1. T 5 1, 2, 6, 15, . . . S:
1 2 6 15 (1)2 (2)2 (3)2 (4)2
= 15 + (4)2= 31
2. D 5 13, 17, 26, 42, . . .
S:
13 17 26 42
(2)2 (3)2 (4)2 (5)2
= 42 + (5)2= 67
-
7/26/2019 Algebra (Horizon 2016)
11/22
11
1. F 24 =x
S:
24 =x 24 =x 224 ==x 624 =+=x
2. F
1135 = x
S:
1135 = x 1135 = x
1153 =x 5113 +=x
2=x
3
16=x
1. F 52 =x
A. = 7 , = 3
2. F 1042 =x
A. = 7 , = 3
3. F 84 =+x
A. = 4 , = 12
02 =++ CBxAx
A
ACBBx
2
42
=
P R
) S R
Bxx =+ 21
-
7/26/2019 Algebra (Horizon 2016)
12/22
12
) P R
A
Cxx =21
D:
ACB 42
) ACB 42=
,
) ACB 42> ,
) ACB 42 < ,
1. 0643 2 =+ xx
G:
A = 3B = 4
C = 6
R:
S
S:
3
4
3
421
=
==+A
Bxx
2. F 0532 =+ xx
G:A = 1B = 3C = 5
RP
S:
51
521 =
==
Cxx
3. D 0823 2
=++ kxx 4.G:
A = 3B = 2C = 8
421 ==+
A
Bxx
-
7/26/2019 Algebra (Horizon 2016)
13/22
13
R:
K
S:
3
24
k
A
B==
6=k
3. 022 =+ kxx 8.G:
A = 1B = 2C =
A
Cxx =
21
1
821
k
A
Cxx ===
8=k
1. 0437 2 =+ xx A. 3/7
2. F 0475 2 = xx A. 4/5
I :
b
x
x
a=
bxxa :: =
=
abx =2
abx = (
Idc
ba =
d
b
c
a=
Id
c
b
a=
-
7/26/2019 Algebra (Horizon 2016)
14/22
14
c
d
a
b=
Id
c
b
a=
d
dc
b
ba +=
+
Id
c
b
a=
dc
dc
ba
ba
+=
+
I :kxy =
=
I :
x
ky =
1. . =4 = 6,3
1=y . F = 6 = 2.
S:
2x
kty =
34
)3/1()6( 22
===
t
yx
k
5.4)2(
)6)(3(22
===x
kty
2. . = 9 = 3, = 5. F = 4 = 12.
S:
y
xkw =
59
)3)(5(===
x
wyk
33.44
125==w
D = R TVtS=
-
7/26/2019 Algebra (Horizon 2016)
15/22
15
:S = = =
1. A B . A 8:30 .. 2.7 , B, 5 . 8:00 .. 1.8 , B, 5 . H B A?
B?
S:L: = A B
= B
60
5
7.25.8 +=+ t
x E.
60
5
8.18 =+ t
x E.
S E. E. :
6
1
8.17.25.0 =+ xx
6
15.0
7.28.1=
xx
6
15.0
)7.2)(8.1(
8.17.2=
xx
)7.2)(8.1)(6
15.0(9.0 =x
= 1.8
S E. :
60
5
7.25.8 +=+ t
x
60
5
7.2
8.15.8 +=+ t
083.960
5
7.2
8.15.8 =+=t
..05:9 mat=
2. A , 3 1,500 3.75 . () () ?
S:L: =
=
t
dv =
3
500,1=+ yx
500=+ yx E.
-
7/26/2019 Algebra (Horizon 2016)
16/22
16
75.3
500,1= yx
400= yx E.S E. E. :
1002 =y
kphy 50= S E. :
500=+
yx 50050 =+x kphx 450=
3. A 3:00 .., 400 . T 50 . I 100 , ?
S:10050400 += tt
100350 =t 350/100=t .min14.17.2857.0 == hrst
T 3:17.14 ..
4. T A B 10,000 . I 40 A B 50 . H B A A .
S:vtS=
F A:)40(000,10 AV=
.min/250mVA =
F B:
)50(000,10 BV=
.min/200mVB =
000,10)40)(200( =+x
000,2)40)(200(000,10 ==x A
-
7/26/2019 Algebra (Horizon 2016)
17/22
17
O 5 .
I , 12
x
O 300 .
1. T 100 . /?
G: = 100 R:
S:
rS =
32.628180
)360)(100(0
0==
xcmS
-
7/26/2019 Algebra (Horizon 2016)
18/22
18
36.5212
32.628===
hr
cm
t
SV /
2. A 12:00 1200 ?
S:
1200
= 2020
12+=
xx
2012
= x
x
2012
12=
xx
)12)(20(11 =x 24011 =x 8.21=x .
3. A 12:00 ?
S:
3012
+= x
x
-
7/26/2019 Algebra (Horizon 2016)
19/22
19
3012
= x
x
)12)(30(11 =x 7.32=x .
T 12:32.7 ..
P P F 5 + 4
= 5 = 5 + 4 = 4
N:I , .
1. J P . I , J . H J ?
S:
P P FJ 4 J J + 2P 4 P P + 2
4=PJ 4+=JP E.
2
2
112
++=+
P
J
2
29
++= P
J
2
218 ++=
PJ
202 +=PJ E. S E. E. :
2042 ++=JJ 24=J
2. F , K G 45. S , G 28 K . H K ?
S:
P P FK 4 K K + 6G 4 G G + 6
-
7/26/2019 Algebra (Horizon 2016)
20/22
20
4544 =+ GK 53=+GK KG = 53 E.
628)6(2 ++=+ KG
34122 +=+ KG 222 +=KG E.
S E. E. :
22)53(2 += KK
222106 += KK 843 =K 28=K
3. A 8% B, B 9% C. B A C?
S:BA 08.1= E. CB 09.1= E.
S E. E. :
CCA 1772.1)09.1)(08.1( == A 17.72% C
I , x
1
I , .
tyx
111=+
1. J 2 . P 3 . S 6 . H ?
S:
x
1
6
1
3
1
2
1=++
x
1
6
123=
++
1=x
2. R . T 10 . H ?
-
7/26/2019 Algebra (Horizon 2016)
21/22
21
S:L: = R
2 =
10
1
2
11=+
xx
10
1
2
12=
+
x
)10)(12(2 +=x 15=x R
2 = 30
3. A 40 120 . I 20 , 20 21 20 41, ?
S:(40)(120) = (20)(20) + (40)(20) +60 = 60 T . = 20 + 20 + 60 = 100
N. = 120 100 = 20
4. A 20 30 . T , 25 . H, 20 , 10 . F ?
S:(20)(30) = (25)(20) + 15 = 6.67 T . = 20 + 6.67 = 26.67
5. T 120 . T 10
30 46
. H ?
S:(30)(120) = (30)(30) +(20)(15) +30 = 80 T . = 30 + 15 + 80 = 125 T 125 120 = 5
6. A 25 90 . T 25 30 . T 60 . B ?
S:(25)(90) = (25)(30) + (20)(30) + 17 = 52.94 53 N. = 30 + 30 + 53 = 113 N. = 113 90 = 23
-
7/26/2019 Algebra (Horizon 2016)
22/22
22
A% B% C% + = +
1. O 25% 3 40% . ?
S:25% 40% %
1 + 3 = 4
(25)(1) + (40)(3) = 4 = 36.25%
2. T 20% 50% . I 38% , ?
S:20% 50% 38%
2 + = 2 +
(20)(2) + 50 = (38)(2 + )40 + 50 = 76 + 3850 38 = 76 4012 = 36 = 3
3. T 20% % . I 22.5% , ?
S:20% % 22.5%3 + 1 = 4
(20)(1) + (1) = (22.5)(4) = 30%
4. A 3 25% . O . ?
S:25% 100% %2.5 + 0.5 = 3
(25)(2.5) + (100)(0.5) = (3) = 37.5%