MATH 10

Observed the number of blocks needed to build each succeeding figure. How many blocks will be needed to build the 7th figure?

• 15       

• 21

• 28

• 36

Which set of numbers is an example of an arithmetic sequence?

• 20,50, 55,30,105

• 1/2, -1/2, 1/2, -1/2

• 2,4,8,16,32

• 18,22,26,30,34

Which of the following is ALWAYS true about arithmetic sequences?

• Arithmetic sequences are finite

• Arithmetic sequences are infinite.

• Consecutive terms have a common ratio.

• Every term can be obtained by adding a constant.

What is the common difference of the arithmetic sequence 25,21,17,13,9,…?

• -4

• -1/4

• 1/4

• 4

What is the 8^th term of the arithmetic sequence 18, 22, 26, 30, 34?

• 38

• 42

• 46

• 54

Which of the following demonstrates the correct use of the formula in solving the arithmetic sequence 10, 15, 20,…?   

• 
• 
• 
• 

In the arithmetic sequence 8,14,20,26,32,…, which term is 122?

• 19

• 20

• 21

• 22

Which of the following is NOT an example of a geometric sequence?

• 2, 4, 6, 8

• 1, 3, 9, 27

• 3, 6, 12, 24   

• 2, -2, 2, -2

Which type of sequence is demonstrated by the list 4, 12, 36,…?

• Arithmetic sequence

• Geometric sequence

• Fibonacci sequence

• Harmonic sequence

In the sequence 4, 24, 144, the number 24 is considered the _______________.

• Arithmetic mean

• Common ratio

• Common difference

• Geometric mean