
Understanding Sequence Differences
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Sophia Harris
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial expression given for a sub n?
3N squared minus 2N plus 5
2N squared minus 3N plus 5
N squared minus 2N plus 3
3N squared plus 2N minus 5
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the expression 3N squared minus 2N plus 5 represent?
The closed formula for a sub n
The closed formula for a sub n minus 1
The sequence of differences
The sum of the sequence
Tags
CCSS.HSF-LE.A.1A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the sequence of differences?
Divide the closed formula by n
Multiply the closed formula by 2
Add n to the closed formula
Substitute n-1 into the closed formula
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is performed after substituting n-1 into the closed formula?
Dividing by a constant
Adding a constant
Multiplying by a constant
Simplifying the expression
Tags
CCSS.6.EE.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of distributing the terms in the expression?
3N squared plus 2N minus 5
3N squared minus 2N plus 5
3N squared plus 6N minus 3
3N squared minus 6N plus 3
Tags
CCSS.8.EE.C.7B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next step after distributing the terms?
Divide by a constant
Multiply by a constant
Combine like terms
Add a constant
Tags
CCSS.7.EE.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of combining like terms in the expression?
It simplifies the expression
It complicates the expression
It adds more terms to the expression
It removes terms from the expression
Tags
CCSS.HSF.BF.A.2
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