Formula yang memenuhi pola 2 + 4 + 6 + 8 +10 + . . . + 2n adalah . . .

Ujian Matematika Umum

Quiz
•
Social Studies
•
Professional Development
•
Hard
Ferdinandus Sawu Dawo
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2n + 1) - 1
(2n - 1) - 1
(4n + 1)
(4n - 1)
(n - 1) + 1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rumus suku ke-n dari barisan dari barisan bilangan 4, 16, 36, 64, ... adalah. . .
2n2
(2n)2
4(2n - 1)2
2(n + 1)
4(3n - 2)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rumus suku ke-n dari barisan 40, 36, 32, 28, ... adalah . . .
Un = 40 - 4n
Un = 40 + 4n
Un = 44 - 4n
Un = 40 + 4n
Un = 36 - 4n
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Formula yang memenuhi keterbagian suatu barisan bilangan 1.2 + 2.3 + 3.4 + ... + n (n + 1), dengan n bilangan asli adalah . . .
n(n-1)(n+1)2
n(n-1)(n-2)3
nn-1n-12
nn+1n-23
n(n+1)(n+2)3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika akan dibuktikan bahwa:4+9+14+19+...+(5n-1) = n(5n+3)2.dengan menggunakan langkah induksi matematika untuk n = k+1, maka hasilnya adalah...
4 + 9 + 14 +19 + ...=(k+1)(5k+3)2
4 + 9 + 14 +19 + ...+(5k-1)=(k+1)(5k+3)2
4 + 9 + 14 +19 + ...+(5k+4)=k(5k+3)2
4 + 9 + 14 +19 + ...+(5k+1)=(k+1)(5k+8)2
4 + 9 + 14 +19 + ...=(k+1)(5k+8)2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika akan dibuktikan bahwa:P(n)= 5n(n+1).dengan menggunakan langkah induksi matematika untuk P(n+1) , maka hasilnya adalah...
5n2+3n+2
5n+3n+2
5n2+3n+3
5n2+n+3
5n2+2n+3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Daerah yang diarsir pada gambar di bawah ini merupakan himpunan penyelesaian dari pertidaksamaan ...
x≥0, 6x+y≤12, 5x+4y≥20
x≥0, 6x+y≥12, 5x+4y≤20
x≥0, x+6y≤12, 5x+4y≥20
x≥0, x+6y≤12, 4x+5y≥20
x≥0, x+6y≤12, 4x+5y≤20
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