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6. Tuliskan tiga bilangan berikutnya yang sesuai dengan pola bilangan sebelumnya!
a. 2, 5, 8, 11, 14, . . . , . . . , . . . .
b. 1, 5, 8, . . . , . . . , . . . .
c. 1, 4, 7, 10, . . . , . . . , . . . .
d. 2, 15, 28, 41, . . . , . . . , . . .
e. 3, 9, 27, 81, . . . , . . . , . . .
f. 1 × 2, 2 × 3, 3 × 4, 4 × 5, . . . , . . . , . . .
g. 2 × 4, 3 × 9, 4 × 16, . . . , . . . , . . .
h. 32, 28, 24, 20, . . . , . . . , . . .
i. 1, 3, 4, 7, 11, . . . , . . . , . . .
j. 3, 12, 48, 192, . . . , . . . , . . .
7. Isilah titik-titik pada setiap bentuk berikut ini sehingga menjadi barisan bilangan!
a. ...., 64, 60, 56, .... , 48.
b. 10, .... , 26, 34, ...., .....
c. 9, 16, ... , 36, 49, .....
8. Perhatikan barisan-barisan bilangan berikut ini, kemudian tentukan nilai p dan q yang sesuai.
a. 2, p, 6, 8, 10, q, 14
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b. 1, 2p, 9, 13, 3q
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c. 16, 8, 4, p, q
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d. 6, , 4, , p, q
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9. Tuliskan lima suku pertama dari barisan bilangan dengan pola sebagai berikut!
a. Un = 4n + 7
b. Un = 7n – 2
c. Un = n2 + 3n
d. Un = (n + 2)(n – 3)
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10. Tuliskan suku ke-8 dan ke-10 dari barisan berikut ini!
a. Un =
b. Un = 2n – 1
c. Un =
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6. Tuliskan tiga bilangan berikutnya yang sesuai dengan pola bilangan sebelumnya!
a. 2, 5, 8, 11, 14, . . . , . . . , . . . .
b. 1, 5, 8, . . . , . . . , . . . .
c. 1, 4, 7, 10, . . . , . . . , . . . .
d. 2, 15, 28, 41, . . . , . . . , . . .
e. 3, 9, 27, 81, . . . , . . . , . . .
f. 1 × 2, 2 × 3, 3 × 4, 4 × 5, . . . , . . . , . . .
g. 2 × 4, 3 × 9, 4 × 16, . . . , . . . , . . .
h. 32, 28, 24, 20, . . . , . . . , . . .
i. 1, 3, 4, 7, 11, . . . , . . . , . . .
j. 3, 12, 48, 192, . . . , . . . , . . .
7. Isilah titik-titik pada setiap bentuk berikut ini sehingga menjadi barisan bilangan!
a. ...., 64, 60, 56, .... , 48.
b. 10, .... , 26, 34, ...., .....
c. 9, 16, ... , 36, 49, .....
8. Perhatikan barisan-barisan bilangan berikut ini, kemudian tentukan nilai p dan q yang sesuai.
a. 2, p, 6, 8, 10, q, 14
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b. 1, 2p, 9, 13, 3q
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c. 16, 8, 4, p, q
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d. 6, , 4, , p, q
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9. Tuliskan lima suku pertama dari barisan bilangan dengan pola sebagai berikut!
a. Un = 4n + 7
b. Un = 7n – 2
c. Un = n2 + 3n
d. Un = (n + 2)(n – 3)
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10. Tuliskan suku ke-8 dan ke-10 dari barisan berikut ini!
a. Un =
b. Un = 2n – 1
c. Un =
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Kelas : 7 SMP
Pembahasan : jawaban terlampir