Qual é a fórmula do termo geral de uma Progressão Aritmética (PA)?

Quiz sobre Progressões Aritméticas e Geométricas

Quiz
•
Mathematics
•
12th Grade
•
Hard
MAYKOLL PEREIRA
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
an = a1 + (n – 1) r
an = a1 * (n – 1) r
an = a1 * q^(n-1)
an = a1 + n * r
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão da PA (2, 4, 6, 8, 10, 12, 14)?
4
3
2
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a soma dos termos de uma PA finita?
S = a1 + an
S = a1 * (1 - q^n) / (1 - q)
S = n/2 * (a1 + an)
S = n * (a1 + an)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão da PG (3, 9, 27, 81, ...)?
1
4
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula do termo geral de uma Progressão Geométrica (PG)?
an = a1 * (n – 1) q
an = a1 + (n – 1) r
an = a1 + n * q
an = a1 * q^(n-1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a classificação de uma PA com razão igual a zero?
Crescente
Decrescente
Constante
Oscilante
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão da PG (1, 3, 9, 27, 81)?
2
1
4
3
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