# Arithmetic sequence

## Quiz by Michael BALETA

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10 questions
• Q1
What is an arithmetic sequence?
A sequence of numbers where each term is obtained by subtracting a fixed constant from the previous term
A sequence of numbers where each term is obtained by adding a fixed constant to the previous term
A sequence of numbers where each term is obtained by multiplying a fixed constant to the previous term
A sequence of numbers where each term is obtained by dividing the previous term by a fixed constant
30s
• Q2
What is the formula for finding the nth term in an arithmetic sequence?
a - (n-1)d
a + (n-1)d
a + nd
an + d
30s
• Q3
What is the common difference in the arithmetic sequence 3, 6, 9, 12, ...?
12
3
9
6
30s
• Q4
What is the sum of the first 5 terms of the arithmetic sequence 2, 5, 8, 11, ...?
30
35
20
40
30s
• Q5
What is the nth term in the arithmetic sequence 1, 4, 7, 10, ...?
3n
3n+2
2n+1
3n-2
30s
• Q6
What is the 10th term in the arithmetic sequence 2, 5, 8, 11, ...?
26
29
32
23
30s
• Q7
What is the sum of the first 10 terms of the arithmetic sequence 3, 6, 9, 12, ...?
210
165
45
120
30s
• Q8
What is the first term in the arithmetic sequence -2, 1, 4, 7, ...?
7
1
4
-2
30s
• Q9
What is the common difference in the arithmetic sequence 10, 7, 4, 1, ...?
-3
1
7
4
30s
• Q10
What is the sum of the first 20 terms of the arithmetic sequence -6, -3, 0, 3, ...?
120
480
360
240
30s

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