Question 1

Classify the following pictures whether it is arithmetic or geometric.

Accepted Answer

sorting://ARITHMETIC|#a669d33d-5162-4fb5-a2c3-c177427fd152/question/d92fab40819bf55d0ccf50d51fccd02d9e709297.jpg,#a669d33d-5162-4fb5-a2c3-c177427fd152/question/5114d88c271139acf9fbf593354b54989402b113.jpg:GEOMETRIC|#a669d33d-5162-4fb5-a2c3-c177427fd152/question/58e0a7800d5dfe9a2c0790fd1b124b57a2140c8f.jpg,#a669d33d-5162-4fb5-a2c3-c177427fd152/question/32caa077f06587590a8a8635606cdcedb7362ff7.jpg

Question 2

GEOMETRIC SEQUENCE has a common _________.

Accepted Answer

freetext://ratio

Question 3

What is the geometric mean of 3 and 27?

Accepted Answer

9

Answer

18

Answer

27

Answer

81

Question 4

The eighth term in the geometric sequence when $a_4=-12$ and $a_5=-6$ is ______.

Accepted Answer

$-\frac{3}{2}$

Answer

$-\frac{3}{2}$

Answer

$-\frac{3}{2}$

Answer

$-\frac{3}{2}$

Question 5

Find three geometric means between 81 and 1.

Accepted Answer

27, 9, 3

Answer

9, 3, 1

Answer

243, 81, 27

Answer

3, 9, 27

Question 6

How many terms are there in the sequence 3, 6, 12, 24, 48,..., 384?

Accepted Answer

8

Answer

7

Answer

6

Answer

9

Question 7

Which of the following will lead to the sum of the first 10 terms in the series 5 + 10 + 20 +...?

Accepted Answer

$-\frac{3}{2}$

Answer

$-\frac{3}{2}$

Answer

$-\frac{3}{2}$

Question 8

Find the eighth term in a geometric sequence when $a_4=-12$ and $a_5=-6$ .

Accepted Answer

32,768

Answer

16,384

Answer

8,192

Answer

32,687

Question 9

Find the sum of the geometric series 81 + 27 + 9 + 3 + 1.

Accepted Answer

121

Answer

122

Answer

111

Answer

120

Question 10

A pendulum swing exactly 60% of its previous distance. If the initial distance reached by a pendulum is 24 inches, how far the pendulum travels before it rests?

Accepted Answer

60

Answer

80

Answer

100

Answer

70

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