
Arithmetic Progressions and Their Properties

Interactive Video
•
Mathematics
•
6th - 9th Grade
•
Hard
Standards-aligned

Sophia Harris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an arithmetic progression?
A sequence where each term is obtained by multiplying the previous term by a constant.
A sequence where each term is obtained by adding a constant to the previous term.
A sequence where each term is the square of the previous term.
A sequence where each term is obtained by subtracting a constant from the previous term.
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the sequence 2, 5, 8, 11, what is the common difference?
5
3
2
8
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the common difference of an AP is negative, what type of progression is it?
Increasing
Decreasing
Constant
None of the above
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the common difference in an AP?
By dividing the first term by the last term.
By subtracting any term from its previous term.
By subtracting the first term from the last term.
By adding the first term to the last term.
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the nth term of an AP?
a_n = a_1 / (n-1)d
a_n = a_1 - (n-1)d
a_n = a_1 * (n-1)d
a_n = a_1 + (n-1)d
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the first term is 10 and the common difference is 4, what is the 21st term?
100
94
90
84
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the sum of the first n terms of an AP?
S_n = n * (a_1 + a_n)
S_n = n/2 * (a_1 + a_n)
S_n = n * (a_1 - a_n)
S_n = n/2 * (a_1 - a_n)
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