Cubic Sequences (Leaving Cert Mathematics): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What defines a cubic sequence?
What defines a cubic sequence?
Third difference is constant
What type of sequence does the first difference of a cubic sequence form?
What type of sequence does the first difference of a cubic sequence form?
A quadratic sequence
What type of sequence does the second difference of a cubic sequence form?
What type of sequence does the second difference of a cubic sequence form?
A linear (arithmetic) sequence
What is the general term formula for a cubic sequence?
What is the general term formula for a cubic sequence?
What does the third difference equal in terms of coefficient ?
What does the third difference equal in terms of coefficient ?
For sequence -1, 13, 51, 125, 247, ..., what is the third difference?
For sequence -1, 13, 51, 125, 247, ..., what is the third difference?
12
If the third difference is 12, what is the value of ?
If the third difference is 12, what is the value of ?
How many equations are needed to solve for , , and ?
How many equations are needed to solve for , , and ?
Three equations
Which terms should be substituted to form the required equations?
Which terms should be substituted to form the required equations?
, ,