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KELOMPOK 1
1. Ana Meilani Puspitasari                     (03)




                                                                        XII IPA 1
2. Estiana Yesie Prastiwi                         (13)




                                                                                2012 / 2013
3. Fandy Gunawan Romadhon                             (14)
4. Fifian Arizona Pertiwi                                (15)
5. Indah Wijayanti                                           (20)
6. Latifah Suryaningrum                                         (24)
7. Monica Abigail Wohing Ati                                     (26)


©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
 Ibu Dinda membuat                            dua jenis roti
                                        . Roti jenis I memerlukan
  tepung 200 gram, mentega 25 gram, telur 3 butir dan gula 30 gram.
      Dan roti        jenis II
                          memerlukan tepung 100 gram, mentega 50 gram,
      telur 4 butir dan gula 15 gram. Persedian tepung 4 kg, mentega 1,5 kg
      dan gula 900 gram. Dengan keterbatasan bahan, Ibu Dinda ingin
      membuat roti sebanyak-banyaknya. Seandainya roti jenis                   I
      memberikan laba Rp 500 dan roti jenis                     II memberikan laba Rp 400,
      hitunglah pendapatan sebesar-besarnya !




©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
Tepung          Mentega   Telur   Gula   Laba

Roti I (x)                         200           25       3       30    500

Roti II (y)                        100           50       4       15    400

                                 4000           1500     120     900




©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
Kendala
  200 x + 100 y                          4000           2x+y    40
  25 x + 50 y                      1200                 x+4y    48
  3x+4y                     120                         3x+4y    120




                                                 Atau
  30 x + 15 y                      900                  2x+y    60
  x       0                                             x   0
  y       0                                             y   0


Fungsi tujuan  F(x,y) = 500 x + 400 y

  ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
L1               2x + y = 40                   L3         3x + 4y = 120
   x                0                 20                 x       0        40

   y               40                  0                 Y       30       0

 (x,y)          (0,40)             (20,0)              (x,y)   (0,30)   (40,0)



L2           x + 2y = 60                         L4          2x + y = 60
   x                0                 60                x        0       30

   y               30                  0                y       60        0

 (x,y)          (0,30)             (60,0)              (x,y)   (0,60)   (30,0)

  ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
Persamaan Garis Selidik


500 x + 400 y = k
                                                    x        0       40
 500 x + 400 y = 20000
 5x + 4 y = 200                                     y       50        0

                                                   (x,y)   (0,50)   (40,0)


    ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
Y

                              60



                             50


                              40



                              30
                                   C           B
                              20


                             10          DP

                               O                    A                                              Z
                                 0             10   20        30        40          50   60
                                                         l1        l4          l3             l2
©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
                                                                             5x + 4y = 200
Terjadi maksimal di titik B

 l2           2 x + y = 40                    x4   8 x + 4 y = 160
 l3           3 x + 4 y = 120                 x1   3 x + 4 y = 120
                                                         5 x = 40
                                                           x=8

2 (8) + y = 40
   16 + y = 40
        y = 24

Titik B(8,24)

©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
F(x,y) = 500 x + 400 y
                       F(8,24) = 500(8) + 400(24)
                                = 4000 + 9600
                                = 13600

Jadi, pendapatan maksimalnya adalah Rp 13.600,00 jika
menjual 8 roti I dan menjual 24 roti II




©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
TERIMA KASIH 

©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1

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Presentation's math program linier ~ garis selidik

  • 1. KELOMPOK 1 1. Ana Meilani Puspitasari (03) XII IPA 1 2. Estiana Yesie Prastiwi (13) 2012 / 2013 3. Fandy Gunawan Romadhon (14) 4. Fifian Arizona Pertiwi (15) 5. Indah Wijayanti (20) 6. Latifah Suryaningrum (24) 7. Monica Abigail Wohing Ati (26) ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 2.  Ibu Dinda membuat dua jenis roti . Roti jenis I memerlukan tepung 200 gram, mentega 25 gram, telur 3 butir dan gula 30 gram. Dan roti jenis II memerlukan tepung 100 gram, mentega 50 gram, telur 4 butir dan gula 15 gram. Persedian tepung 4 kg, mentega 1,5 kg dan gula 900 gram. Dengan keterbatasan bahan, Ibu Dinda ingin membuat roti sebanyak-banyaknya. Seandainya roti jenis I memberikan laba Rp 500 dan roti jenis II memberikan laba Rp 400, hitunglah pendapatan sebesar-besarnya ! ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 3. Tepung Mentega Telur Gula Laba Roti I (x) 200 25 3 30 500 Roti II (y) 100 50 4 15 400 4000 1500 120 900 ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 4. Kendala 200 x + 100 y 4000 2x+y 40 25 x + 50 y 1200 x+4y 48 3x+4y 120 3x+4y 120 Atau 30 x + 15 y 900 2x+y 60 x 0 x 0 y 0 y 0 Fungsi tujuan  F(x,y) = 500 x + 400 y ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 5. L1 2x + y = 40 L3 3x + 4y = 120 x 0 20 x 0 40 y 40 0 Y 30 0 (x,y) (0,40) (20,0) (x,y) (0,30) (40,0) L2 x + 2y = 60 L4 2x + y = 60 x 0 60 x 0 30 y 30 0 y 60 0 (x,y) (0,30) (60,0) (x,y) (0,60) (30,0) ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 6. Persamaan Garis Selidik 500 x + 400 y = k x 0 40 500 x + 400 y = 20000 5x + 4 y = 200 y 50 0 (x,y) (0,50) (40,0) ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 7. Y 60 50 40 30 C B 20 10 DP O A Z 0 10 20 30 40 50 60 l1 l4 l3 l2 ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1 5x + 4y = 200
  • 8. Terjadi maksimal di titik B  l2 2 x + y = 40 x4 8 x + 4 y = 160  l3 3 x + 4 y = 120 x1 3 x + 4 y = 120 5 x = 40 x=8 2 (8) + y = 40 16 + y = 40 y = 24 Titik B(8,24) ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 9. F(x,y) = 500 x + 400 y F(8,24) = 500(8) + 400(24) = 4000 + 9600 = 13600 Jadi, pendapatan maksimalnya adalah Rp 13.600,00 jika menjual 8 roti I dan menjual 24 roti II ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1
  • 10. TERIMA KASIH  ©2012. SMA N 1 Klaten. XII IPA 1. Kelompok 1