Math Grade 12
Multiple Choice Questions Collected from Unit 1

1) Which of the following best describes a sequence?
A) A group of numbers arranged in a specific order
B) A set of random numbers
C) Numbers that are not related to each other
D) A sequence is not a mathematical concept

Answer:  A
Explanation: A sequence is a list of ...See More

2) What is the common difference in the arithmetic sequence: 3, 7, 11, 15, ...?
A) 2
B) 3
C) 4
D) 5

Answer: C
Explanation: The common difference in the given ...See More.

3) In a geometric sequence, if the first term is 2 and the common ratio is 3, what is the second term?
A) 6
B) 8
C) 9
D) 11

Answer: B
Explanation: In a geometric sequence, the second term is ...See More

4) What does the sigma notation represent in mathematics?
A) The sum of a sequence
B) The product of a sequence
C) The average of a sequence
D) The difference of a sequence

Answer. A
Explanation: The sigma notation in mathematics represents ...See More

5) What is the sum of the first 5 terms of the arithmetic sequence: 2, 5, 8, 11, ...?
A) 30
B) 33
C) 35
D) 40
Answer: B
Explanation: The sum of the first 5 terms of ...See More.

6) Which type of series does not have a finite sum?
A) Arithmetic series
B) Geometric series
C) Infinite series
D) Convergent series

Answer: C
Explanation: Infinite series do not have ...See More.

7) An arithmetic progression has a first term of 4 and a common difference of 3. What is the 10th term?
A) 31
B) 30
C) 34
D) 33

Answer: A
Explanation: The 10th term of an arithmetic progression with a first term of ...See More

8) In a geometric sequence, if the first term is 5 and the common ratio is 2, what is the fourth term?
A) 10
B) 15
C) 20
D) 25

Answer: C
Explanation: In a geometric sequence, the fourth term is ...See More

9) What is the formula to find the nth term of an arithmetic sequence?
A) ( a_n = a_1 + (n - 1)d )
B) ( a_n = a_1 \times r^{n-1} )
C) ( a_n = a_1 + rd )
D) ( a_n = a_1 \div r^{n-1} )

Answer: A
Explanation: The formula to find the nth term of ...See More.

10) Which of the following is an example of an arithmetic sequence?
A) 2, 4, 8, 16, ...
B) 3, 6, 9, 12, 15 ...
C) 1, 3, 9, 27, ...
D) 5, 10, 20, 40, ...

Answer: B
Explanation: This sequence shows a common difference of ...See More

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