Algebra (Horizon 2016)

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    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 +=

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    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

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    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.

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    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

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    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

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    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

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    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

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    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

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    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( += ( )

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    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

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    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

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    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

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    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=

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    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=

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    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.

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    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

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    O 5 .

    I , 12

    x

    O 300 .

    1. T 100 . /?

    G: = 100 R:

    S:

    rS =

    32.628180

    )360)(100(0

    0==

    xcmS

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    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

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    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

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    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 ?

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    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

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    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%