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Grade: 8,    Subject: Math,    Topic: Algebra Arithmetic and Geometric Series
Question 1:
An Arithmetic Series is a sequence in which the difference between any two consecutive terms _______

vary by 1.vary by 2.

is the same.is the same for first few terms.
 
Question 2:
Which of the following is a correct Arithmetic Series?

2, 5, 7, 9, 102, 5, 8, 11, 14

2, 3, 8, 12, 142, 4, 8, 16, 32
 
Question 3:
Select the next number in the following Arithmetic Series.
10, 15, 20, 25, 30

4035

4550
 
Question 4:
If the first term of an Arithmetic Series is A1 and the difference between subsequent numbers is D. What is the second term in the series?

A1 + DA1 + 2D

A1 * DA1 ÷ D
 
Question 5:
If the first term of an Arithmetic Series is 13 and the difference between subsequent numbers is 9. What is the fifth term in the series?

2722

5849
 
Question 6:
A Geometric Series has ____

an increasing ratio between terms.a constant ratio between terms.

a decreasing ratio between terms.a constant difference between terms.
 
Question 7:
Which of the following is a correct Geometric Series?

1, 3, 9, 27, 811, 3, 5, 7, 9

1, 5, 15, 25, 453, 12, 48, 60
 
Question 8:
Select the next number in the following Geometric Series.
10, 20, 40, 80

120160

320100
 
Question 9:
If the first term of an Geometric Series is G1 and the ratio between subsequent numbers is M. What is the second term in the series?

G1 − MG1 * 2M

G1 * MG1 + M
 
Question 10:
If the first term of an Geometric Series is 13 and the ration between subsequent numbers is 4. What is the fifth term in the series?

83252

2603328
 
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