Considere a sequência aritmética: <katex latex="3, 7, 11, 15, \ldots"></katex>. Qual é a razão dessa progressão aritmética?

Quiz sobre Progressão Aritmética

Quiz
•
Mathematics
•
10th Grade
•
Hard
Used 1+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
<katex latex="2"></katex>
<katex latex="4"></katex>
<katex latex="3"></katex>
<katex latex="5"></katex>
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na progressão aritmética <katex latex="10, 8, 6, 4, \ldots"></katex>, qual é o termo geral <katex latex="a_n"></katex>?
<katex latex="a_n = 10 + 2n"></katex>
<katex latex="a_n = 10 - 2n"></katex>
<katex latex="a_n = 12 - 2n"></katex>
<katex latex="a_n = 8 - 2n"></katex>
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o 8º termo da progressão aritmética <katex latex="5, 9, 13, 17, \ldots"></katex>?
<katex latex="29"></katex>
<katex latex="33"></katex>
<katex latex="37"></katex>
<katex latex="41"></katex>
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma PA, o primeiro termo é <katex latex="7"></katex> e a razão é <katex latex="-3"></katex>. Qual é o 5º termo?
<katex latex="-5"></katex>
<katex latex="-7"></katex>
<katex latex="-3"></katex>
<katex latex="-9"></katex>
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma dos 6 primeiros termos da PA <katex latex="2, 5, 8, 11, \ldots"></katex> é:
<katex latex="42"></katex>
<katex latex="48"></katex>
<katex latex="54"></katex>
<katex latex="60"></katex>
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão da PA em que <katex latex="a_1 = 12"></katex> e <katex latex="a_4 = 21"></katex>?
<katex latex="2"></katex>
<katex latex="3"></katex>
<katex latex="4"></katex>
<katex latex="5"></katex>
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se <katex latex="a_1 = 4"></katex> e <katex latex="a_{10} = 31"></katex> em uma PA, qual é a razão?
<katex latex="2.5"></katex>
<katex latex="3"></katex>
<katex latex="3.5"></katex>
<katex latex="4"></katex>
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